The policy for each Fund regarding purchases and sales of securities is that primary consideration will be given to obtaining the most favorable prices and efficient executions of transactions. Consistent with this policy, when securities transactions are effected on a stock exchange, the policy is to pay commissions that are considered fair and reasonable without necessarily determining that the lowest possible commissions are paid in all circumstances. The Advisor believes that a requirement always to seek the lowest possible commission cost could impede effective portfolio management and preclude the Fund and the Advisor from obtaining a high quality of brokerage and execution services. In seeking to determine the reasonableness of brokerage commissions paid in any transaction, the Advisor relies upon its experience and knowledge regarding commissions generally charged by various brokers and on its judgment in evaluating the brokerage and execution services received from the broker. Such determinations are necessarily subjective and imprecise, as in most cases an exact dollar value for those services is not ascertainable. In addition to commission rates, when selecting a broker for a particular transaction, the Advisor considers but is not limited to the following efficiency factors: the broker’s availability, willingness to commit capital, reputation and integrity, facilities reliability, access to research, execution capacity and responsiveness.
The Advisor and its affiliated persons may come into possession from time to time of material nonpublic and other confidential information about companies which, if disclosed, might affect an investor’s decision to buy, sell, or hold a security. Under applicable law, the Advisor and its affiliated persons would be prohibited from improperly disclosing or using this information for their personal benefit or for the benefit of any person, regardless of whether the person is a client of the Advisor. Accordingly, should the Advisor or any affiliated person come into possession of material nonpublic or other confidential information with respect to any company, the Advisor and its affiliated persons will have no responsibility or liability for failing to disclose the information to clients as a result of following its policies and procedures designed to comply with applicable law. However, each Matching Fund is managed using what is commonly referred to as an index strategy in an attempt to simulate either the daily movement or a multiple, the inverse or an inverse multiple of the daily movement of its index, and the use of such index strategies may reduce conflicts of interest compared to funds using non-index investment strategies.

  •   Bitcoin is available for trading 24-hours a day globally and, as such, the price of bitcoin may change dramatically when the market for bitcoin futures contracts is closed or when Fund shares are not available for trading on the Exchange. The price of bitcoin may change dramatically at times when investors are unable to buy or sell Fund shares.

BB, B, CCC, CC, and C – Obligations rated ‘BB’, ‘B’, ‘CCC’, ‘CC’, and ‘C’ are regarded as having significant speculative characteristics. ‘BB’ indicates the least degree of speculation and ‘C’ the highest. While such obligations will likely have some quality and protective characteristics, these may be outweighed by large uncertainties or major exposures to adverse conditions.


Mathematically, to regain a 50% loss you need the price to rise 100% (double) so don’t let yourself get there. Psychologically, you force yourself to trade to make up for the losses, and under pressure, you won’t make the best decisions. Cut losses early and re-evaluate your reasons for the trade, go back in later on, at a lower price if needed. Don’t take profits early, wait for a drop – this is a good enough place to close the trade
Moody’s ratings for state and municipal notes and other short-term loans are designated Moody’s Investment Grade (MIG) and for variable rate demand obligations are designated Variable Moody’s Investment Grade (VMIG). This distinction recognizes the differences between short-term credit risk and long-term risk. Loans bearing the designation MIG-1/VMIG-1 are of the best quality, enjoying strong protection from established cash flows of funds for their servicing or from established and broad-based access to the market for refinancing, or both. Loans bearing/with the designation MIG-2/VMIG-2 are of high quality, with ample margins of protection, although not as large as the preceding group.

Let’s say Larry owns one bitcoin and the current price is $16,600, be believes the price is overdone to the upside for a short period of time.  This is a fictional example, so don’t beat me up on the outlook, you can criticize Larry, but he’s made up too.  Larry has a futures account and sees that he can sell short a January XBT Future at $17,600.  He decides to do this and is now short 1 January XBT Future at $17,600. 
The Board oversight of the Trust and the Funds extends to the Trust’s risk management processes. The Board and its Audit Committee consider risk management issues as part of their responsibilities throughout the year at regular and special meetings. The Advisor and other service providers prepare regular reports for Board and Audit Committee meetings that address a variety of risk-related matters, and the Board as a whole or the Audit Committee may also receive special written reports or presentations on a variety of risk issues at the request of the Board or the Audit Committee. For example, the portfolio managers of the Funds meet regularly with the Board to discuss portfolio performance, including investment risk, counterparty risk and the impact on the Funds of investments in particular securities or derivatives. As noted above, given the relatively small size of the Board, the Board determined it is not necessary to adopt a complex leadership structure in order for the Board to effectively exercise its risk oversight function.

Nothing contained herein is intended to be or to be construed as financial advice. Investors should discuss their individual circumstances with appropriate professionals before making any investment decisions. This information should not be construed as sales or marketing material or an offer or solicitation for the purchase or sale of any financial instrument, product or service.  
DTC may determine to discontinue providing its service with respect to Shares at any time by giving reasonable notice to the Trust and discharging its responsibilities with respect thereto under applicable law. Under such circumstances, the Trust shall take action either to find a replacement for DTC to perform its functions at a comparable cost or, if such a replacement is unavailable, to issue and deliver printed certificates representing ownership of Shares, unless the Trust makes other arrangements with respect thereto satisfactory to the Exchange. In addition, certain brokers may make a dividend reinvestment service available to their clients. Brokers offering such services may require investors to adhere to specific procedures and timetables in order to participate. Investors interested in such a service should contact their broker for availability and other necessary details.

You should carefully consider whether such trading is suitable for you in light of your circumstances and financial resources. You should read the "risk disclosure" webpage accessed at www.DanielsTrading.com at the bottom of the homepage. Daniels Trading is not affiliated with nor does it endorse any trading system, newsletter or other similar service. Daniels Trading does not guarantee or verify any performance claims made by such systems or service.

Forex trading is exciting yet involves a certain level of risk. Therefore, make sure you are aware of and understand well such important terms and conditions as "Privacy Policy", "Margin Requirements" and so on. Should you have any difficulty with these terms and conditions, please contact our Customer Support team for further instruction and support.

Those who believe in Cryptocurrency claim it to be the next big thing in the history of mankind. The mere fact that Cryptocurrency is beyond the control of any government body gets it a lot of eyeballs. Imagine a universal currency beyond the control of liquidity, inflation and government subsidy. This would mean that the commercial activity of economies working on Cryptocurrency shall be privatized absolutely.

The first U.S. bitcoin futures are here. Bitcoin futures opened for trading on the Cboe Futures Exchange, LLC (CFE) on December 10, 2017. This is one of the biggest milestones for bitcoin since it emerged in the wake of the 2008-09 financial crisis. Bitcoin futures will bring much-needed transparency, greater liquidity and efficient price discovery to the ecosystem. Cboe will be soon joined by CME Group as it prepares to launch bitcoin futures contracts on December 18, 2017.
  •   Large-Cap Company Investment Risk —The Fund invests in stocks of large-cap companies. Although returns on investments in large-cap companies are often perceived as being less volatile than the returns of companies with smaller market capitalizations, the return on large-cap securities could trail the returns on investments in smaller and mid-sized companies for a number of reasons. For example, large-cap companies may be unable to respond quickly to new competitive challenges, such as changes in technology, and also may not be able to attain the high growth rate of successful smaller companies.

Nelson Peltz of Trian Fund Management waged a proxy fight to get himself on the board of Procter & Gamble Co. that ended at P&G's annual meeting in October, when Peltz lost out to management nominee Ernesto Zedillo by about 6.2 million votes. Or did he? In November, an independent recount of the votes found that Peltz had beaten Zedillo by 42,780 votes, or about 0.0016 percent of the shares outstanding. Or did he? On Friday the final official count of the votes came in, finding that Zedillo actually won by 498,312 votes, or about 0.019 percent of the shares outstanding. It is a little disappointing that Zedillo's margin in the third count, though less than his margin in the first count, was bigger than Peltz's margin in the second. I was hoping that not only would the victor alternate with each count, but also that the margin would get narrower and narrower, until eventually we'd find out that the two sides were exactly tied except for a single ballot for a single share written in a special ink that says "Peltz" under fluorescent light and "Zedillo" under natural light. I was hoping that P&G would count the votes again and again forever.
In the event that a Fund invests in an Underlying RIC that is not publicly offered within the meaning of the Code, the Fund’s redemption of shares of such Underlying RIC may cause the Fund to be treated as receiving a dividend taxable as ordinary income on the full amount of the redemption instead of being treated as realizing capital gain (or loss) on the redemption of the shares of the Underlying RIC.
Special rules would apply if a Fund were a qualified investment entity (“QIE”) because it is either a “U.S. real property holding corporation” (“USRPHC”) or would be a USRPHC but for the operation of certain exceptions to the definition of USRPIs described below. Very generally, a USRPHC is a domestic corporation that holds USRPIs the fair market value of which equals or exceeds 50% of the sum of the fair market values of the corporation’s USRPIs, interests in real property located outside the United States, and other trade or business assets. USRPIs generally are defined as any interest in U.S. real property and any interest (other than solely as a creditor) in a USRPHC or, very generally, an entity that has been a USRPHC in the last five years. A Fund that holds, directly or indirectly, significant interests in REITs may be a USRPHC. Interests in domestically controlled QIEs, including REITs and RICs that are QIEs, not-greater-than-10% interests in publicly traded classes of stock in REITs and not-greater-than-5% interests in publicly traded classes of stock in RICs generally are not USRPIs, but these exceptions do not apply for purposes of determining whether a Fund is a QIE.
  •   ADRs represent the right to receive securities of foreign issuers deposited in a bank or trust company. ADRs are an alternative to purchasing the underlying securities in their national markets and currencies. Investment in ADRs has certain advantages over direct investment in the underlying foreign securities because: (i) ADRs are U.S. dollardenominated investments that are easily transferable and for which market quotations are readily available; and (ii) issuers whose securities are represented by ADRs are generally subject to auditing, accounting and financial reporting standards similar to those applied to domestic issuers.

Now there is an open interest in the futures contract created. The simple act of two traders with no open interest, one making a  limit order which then gets filled by the other, is what creates this position. The exchange then holds the 0.2 BTC margin of each party and the Profit and Loss (PNL) of the contract seesaws between counterparties based on market movements. If the exchange is liquid and rational, then the market price of the contract will change as the spot market moves. So if bitcoin price starts going up, futures traders will bid the price up.


Speculating and hedging bitcoin with futures has never been easier. Spot has lower leverage which means you have to risk more of your capital with exchanges. Margin fees are very expensive on Bitfinex and Kraken when you are borrowing funds and paying up to 0.1% per day to be in a position. Futures contracts on the other hand have no holding fees associated. You pay a fee to enter the contract, and you pay a fee to exit the contract. Your profit or loss comes from the change in the price you pay.
Equity/Index Swaps. In an equity swap, payments on one or both sides are linked to the performance of equities or an equity index. Equity swaps are normally used to (1) initiate and maintain long or short equity exposures either in an index or a specific stock portfolio; (2) temporarily eliminate exposure to an equity portfolio without disturbing the underlying equity position; or (3) increase, reduce, or eliminate market exposure to a single issue or a narrow stock portfolio or obtain greater diversification for a limited period of time without disturbing an underlying position.
•   Subsidiary Investment Risk — Changes in the laws of the United States and/or the Cayman Islands, under which the Fund and the Subsidiary are organized, respectively, could result in the inability of the Fund to operate as intended and could negatively affect the Fund and its shareholders. The Subsidiary is not registered under the 1940 Act and is not subject to all the investor protections of the 1940 Act. Thus, the Fund, as an investor in the Subsidiary, will not have all the protections offered to investors in registered investment companies.

Sections 1471-1474 of the Code and the U.S. Treasury and IRS guidance issued thereunder (collectively, “FATCA”) generally require a Fund to obtain information sufficient to identify the status of each of its shareholders under FATCA or under an applicable intergovernmental agreement (an “IGA”). If a shareholder fails to provide this information or otherwise fails to comply with FATCA or an IGA, a Fund or its agent may be required to withhold under FATCA at a rate of 30% with respect to that shareholder on ordinary dividends it pays to such shareholder and 30% of the gross proceeds of share redemptions or exchanges and certain Capital Gain Dividends it pays to such shareholder after December 31, 2018. If a payment by a Fund is subject to FATCA withholding, the Fund or its agent is required to withhold even if such payment would otherwise be exempt from withholding under the rules applicable to foreign shareholders described above (e.g., Capital Gain Dividends, short-term capital gain dividends, and interest-related dividends).
ProShare Advisors is responsible for substantially all expenses of the Unitary Fee Funds except for: (i) brokerage and other transaction expenses and other fees, charges, taxes, levies or expenses (such as stamp taxes) incurred in connection with the execution of portfolio transactions or in connection with creation and redemption transactions (including without limitation any fees, charges, taxes, levies or expenses related to the purchase or sale of an amount of any currency, or the patriation or repatriation of any security or other asset, related to the execution of portfolio transactions or any creation or redemption transactions); (ii) legal fees or expenses in connection with any arbitration, litigation or pending or threatened arbitration or litigation, including any settlements in connection therewith; (iii) compensation and expenses of the Independent Trustees; (iv) compensation and expenses of counsel to the Independent Trustees, (v) compensation and expenses of the Trust’s chief compliance officer and his or her staff; (vi) extraordinary expenses (in each case as determined by a majority of the Independent Trustees); (vii) distribution fees and expenses paid by the Trust under any distribution plan adopted pursuant to Rule 12b-1 under the 1940 Act; (viii) interest and taxes of any kind or nature (including, but not limited to, income, excise, transfer and withholding taxes); (ix) fees and expense related to the provision of securities lending services; and (x) the fee payable to the Adviser. The internal expenses of pooled investment vehicles in which a Unitary Fee Fund may invest (acquired fund fees and expenses) are not expenses of such Unitary Fee Fund, and are not paid by ProShare Advisors. The payment or assumption by ProShare Advisors of any expenses of a Unitary Fee Fund that ProShare Advisors is not required by the investment advisory and management agreement to pay or assume shall not obligate ProShare Advisors to pay or assume the same or any similar expense of such Unitary Fee Fund, on any subsequent occasion.
Bitcoin has been on a tear this year, surging at least 1,000 percent in 2017. As the cryptocurrency gained even more attention from investors recently, the Commodity Futures Trading Commission announced on Friday that it would allow the CME and Cboe to launch bitcoin futures. The Cboe plans to launch on Dec. 10 and the CME intends to launch on Dec. 18.
The price of bitcoin may change sharply while the market for certain Bitcoin Instruments is closed or when the exchange on which Fund shares are traded is closed. Although the Funds will not invest directly in bitcoin, such price changes could impact the price and volatility of the Bitcoin Instruments in which the Funds invest and, therefore, could have a negative impact on your investment in the Funds.
influence the price of Bitcoin and Bitcoin Instruments. In particular, it is possible that the price of the Bitcoin Instruments subsequent to a “fork” may be linked to the price of bitcoin on only one of the resulting Bitcoin Networks, rather than the aggregate price of bitcoin on all resulting Bitcoin Networks. The CFE and CME have announced different protocols for addressing forks.

Currently there are a several digital asset trading platforms that provide investors with forms of derivative products such as futures, so one could estimate and synthesize the discrete futures curve from the averages of various curves. MVIS research used BitMEX, OKCoin, CryptoFacilities, and BTCC as sources, to construct and approximate bitcoin futures curve based on non-U.S. bitcoin futures trading on these exchanges.
  •   A new competing digital asset may pose a challenge to bitcoin’s current market dominance, resulting in a reduction in demand for bitcoin, which could have a negative impact on the price of bitcoin. It is possible that other digital currencies and trading systems could become more widely accepted and used than bitcoin. The rise of such currencies could lead to a reduction in demand for bitcoin, which could have a negative impact on the price of bitcoin.
When you hear "margin", you may be thinking that you are borrowing money to trade bitcoin futures. This is not quite true. A key feature of these futures contracts is that the leverage comes from counterparties providing it to one another, not from the exchange lending funds and not from any bitcoin being lent from third parties. The contracts are simply like stocks with a market price, which represents the agreements between traders to take the opposing sides of where price of bitcoin will go, so no actual bitcoins are being exchanged per se, however the profit and loss between counterparties is very real!
Each Fund may provide redemptions in portfolio securities or cash at the Advisor’s discretion. With respect to the Matching and Ultra ProShares Funds, the Index Receipt Agent makes available through the NSCC immediately prior to the opening of business on the Exchange on each day that the Exchange is open for business the portfolio securities that will be applicable (subject to possible amendment or correction) to redemption requests received in proper form (as defined below) on that day (“Fund Securities”). These securities, at times, may not be identical to Deposit Securities which are applicable to a purchase of Creation Units. The Fund may also, in its sole discretion, upon request of a shareholder, provide such redeeming shareholder a portfolio of securities which differs from the exact composition of the Fund Securities but does not differ in NAV.
Cboe Futures Exchange, LLC (CFE) launched trading in Cboe bitcoin futures at 5:00 p.m. Central Time on December 10 under the ticker symbol “XBT”. XBT℠ futures are cash-settled contracts based on the Gemini’s auction price for bitcoin, denominated in U.S. dollars. Gemini Trust Company, LLC (Gemini) is a digital asset exchange and custodian founded in 2014 that allows customers to buy, sell, and store digital assets such as bitcoin, and is subject to fiduciary obligations, capital reserve requirements, and banking compliance standards of the New York State Department of Financial Services.3

Last night, Cboe XBTSM Bitcoin Futures commenced trading on the Cboe Futures Exchange.  The launch was smooth, although our website experienced some issues due to an overwhelming number of hits looking for the trading data.  Now that the futures are up and running, it may be time for a brief explanation of how an owner of bitcoins may use futures to hedge their position. 
reporting systems. As of October 2016, the Advisor has separate arrangements to make payments, other than for the educational programs and marketing activities described above, to Charles Schwab & Co., Inc. and Raymond James Financial Services, Inc. (the “Firms”). Pursuant to the arrangements with the Firms, the Firms agreed to promote certain ProShares ETFs to each Firm’s customers and not to charge certain of their customers any commissions when those customers purchase or sell shares of certain ProShares ETFs. These payments, which may be significant, are paid by the Advisor from its own resources and not from the assets of the Funds. A discussion regarding the basis for the Board of Trustees approving the Advisory Agreement of the Trust will be (or is) available in the Trust’s Annual and/or Semi-Annual Report to shareholders. The Investment Advisory fees paid, as well as any amounts reimbursed pursuant to the Expense Limitation Agreement, for the fiscal years ended May 31, 2015, May 31, 2016 and May 31, 2017 for each Fund that was operational as of each date are set forth below. Because each of the New Funds was not operational at the end of the Trust’s last fiscal year, information on investment advisory fees paid by the Fund is not included in this SAI.
•   Dividends paid to a shareholder that is not a “United States person” within the meaning of the Code (such a shareholder, a “foreign person”) that a Fund properly reports as capital gain dividends, short-term capital gain dividends or interest -related dividends, each as further defined in the SAI, are not subject to withholding of U.S. federal income tax, provided that certain other requirements are met. A Fund (or intermediary, as applicable) is permitted, but is not required, to report any part of its dividends as are eligible for such treatment. A Fund’s dividends other than those the Fund properly reports as capital gain dividends, short-term capital gain dividends or interest-related dividends generally will be subject to withholding of U.S. federal income tax at a rate of 30% (or lower applicable treaty rate). Special tax considerations may apply to foreign persons investing in the Fund. Please see the SAI for more information.
 	•	 	A person who exchanges Creation Units for securities generally will recognize a gain or loss equal to the difference between the exchanger’s basis in the Creation Units and the aggregate market value of the securities received and any cash received. However, all or a portion of any loss a person realizes upon an exchange of Creation Units for securities will be disallowed by the Internal Revenue Service if such person purchases other substantially identical shares of the Fund within 30 days before or after the exchange. In such case, the basis of the newly purchased shares will be adjusted to reflect the disallowed loss.

  •   Risks Associated with Bitcoin – The Fund is exposed to risks associated with bitcoin. Investing in or gaining exposure to Bitcoin may provide the Fund with increased risk. Various global factors may negatively impact the Fund’s performance including legal, regulatory, political, social, regional and economic events. These risks, which could have a negative impact on the performance of the Fund and the trading price of Fund shares, include the following:
  8. Except for the Managed Futures Strategy ETF, the Crude Oil Strategy ETF and the CDS Short North American HY Credit ETF, concentrate (i.e., hold more than 25% of its assets in the stocks of a single industry or group of industries) its investments in issuers of one or more particular industries, except that a Fund will concentrate to approximately the same extent that its index concentrates in the stocks of such particular industry or industries. For purposes of this limitation, securities of the U.S. government (including its agencies and instrumentalities) and tax-free securities of state or municipal governments and their political subdivisions (and repurchase agreements collateralized by government securities) are not considered to be issued by members of any industry. For purposes of determining whether the Funds are concentrated in an industry or group of industries, each Fund may concentrate its investment in the securities of companies engaged in a single industry or group of industries to approximately the same extent as its benchmark and in accordance with its investment objective and policies as disclosed in the Prospectus and SAI.
Each Fund may buy and write (sell) options for the purpose of realizing its investment objective. By buying a call option, a Fund has the right, in return for a premium paid during the term of the option, to buy the asset underlying the option at the exercise price. By writing a call option a Fund becomes obligated during the term of the option to sell the asset underlying the option at the exercise price if the option is exercised. By buying a put option, a Fund has the right, in return for a premium paid during the term of the option, to sell the asset underlying the option at the exercise price. By writing a put option, a Fund becomes obligated during the term of
Always pay attention to Bitcoin. Most altcoins (every cryptocurrency except Bitcoin) are pegged more closely to Bitcoin than Asian currencies were to the USD during the Asian Financial Crisis. If Bitcoin price pump drastically, altcoins price can go down as people try to exit altcoins to ride the BTC profits; inversely, if Bitcoin prices dump drastically, altcoin prices can go down, too, as people exit altcoins to exchange back into fiat. The best times for altcoin growth appear when Bitcoin shows organic growth or decline, or remains stagnant in price.

ProShare Advisors is also responsible for the general management and administration of each Subsidiary, pursuant to separate investment advisory and management agreements. Under those advisory and management agreements, ProShare Advisors provides each Subsidiary with the same type of services under essentially the same terms (except at no cost to such Subsidiary) as are provided for its respective Parent Fund.
The rights of indemnification under the Declaration of Trust may be insured against by policies maintained by the Trust, and shall be severable, shall not affect any other rights to which any Covered Person may now or hereafter be entitled, shall continue as to a person who has ceased to be a Covered Person, and shall inure to the benefit of the heirs, executors and administrators of such a person. Nothing contained in the Declaration of Trust shall affect any rights to indemnification to which Trust personnel other than Covered Persons may be entitled by contract or otherwise under law.
The Trust’s website has information about the premiums and discounts for each Fund. Premiums or discounts are the differences between the NAV and market price of a Fund on a given day, generally at the time NAV is calculated. A premium is the amount that a Fund is trading above the NAV. A discount is the amount that the Fund is trading below the NAV.

Given the economic and environmental concerns associated with mining, various "minerless" cryptocurrencies are undergoing active development.[40][41] Unlike conventional blockchains, some directed acyclic graph cryptocurrencies utilise a pay-it-forward system, whereby each account performs minimally heavy computations on two previous transactions to verify. Other cryptocurrencies like Nano utilise a block-lattice structure whereby each individual account has its own blockchain. With each account controlling its own transactions, no traditional proof-of-work mining is required, allowing for feeless, instantaneous transactions.[42][better source needed]
* The “Fund Complex” consists of all operational registered investment companies under the 1940 Act that are advised by ProShare Advisors LLC and any registered investment companies that have an investment adviser that is an affiliated person of ProShare Advisors LLC. Investment companies that are non-operational (and therefore, not publicly offered) as of the date of this SAI are excluded from these figures.
It is the policy of the Funds (excluding, Managed Futures Strategy ETF, Crude Oil Strategy ETF, CDS Short North American HY Credit ETF, Bitcoin Futures Strategy ETF, Blockchain/Bitcoin Strategy ETF, Bitcoin Futures/Equity Strategy ETF, and Short Bitcoin Futures Strategy ETF) to pursue their investment objectives of correlating with their indices regardless of market conditions, to attempt to remain nearly fully invested and not to take defensive positions.
Knowing their estimated costs and profit requirements the arbitrageur determines a minimum difference they need between the futures’ prices and the spot price before they will enter the market. They then monitor the price difference between Bitcoin futures and the Bitcoin exchanges and if large enough they act to profit on that gap.  For example, if a specific Bitcoin future (e.g., February contract) is trading sufficiently higher than the current Bitcoin exchange price they will short that Bitcoin future and hedge their position by buying Bitcoins on the exchange. At that point, if they have achieved trade prices within their targets, they have locked in a guaranteed profit. They will hold those positions until contract expiration (or until they can cover their short futures and sell Bitcoins at a profit).
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