Jump up ^ Iansiti, Marco; Lakhani, Karim R. (January 2017). "The Truth About Blockchain". Harvard Business Review. Harvard University. Archived from the original on 18 January 2017. Retrieved 17 January 2017. The technology at the heart of bitcoin and other virtual currencies, blockchain is an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.

The identity and number of shares of the Deposit Securities required for a Portfolio Deposit for each Fund changes as rebalancing adjustments and corporate action events are reflected from time to time by ProShare Advisors with a view to the investment objective of the applicable Fund. The composition of the Deposit Securities may also change in response to adjustments to the weighting or composition of the securities constituting the relevant securities index, as applicable. The adjustments described above will reflect changes, known to ProShare Advisors on the date of announcement to be in effect by the time of delivery of the Portfolio Deposit, in the composition of the subject index being tracked by the relevant Fund, as applicable, or resulting from stock splits and other corporate actions. In addition, the Trust reserves the right to permit or require the substitution of an amount of cash (i.e., a “cash in lieu” amount) to be added to the Balancing Amount to replace any Deposit Security which may not be available in sufficient quantity for delivery or for other similar reasons. A Transaction Fee may be assessed on any “cash in lieu” amounts, as further described below under “Transaction Fees”. For the High Yield—Interest Rate Hedged, the Investment Grade—Interest Rate Hedged and the Short Term USD Emerging Markets Bond ETF, a minimum of 70% of the Deposit Securities must be delivered, unless such purchase is made on a cash-only basis.


Caspian is a full-stack cryptoasset management platform tying together the biggest crypto exchanges in a single interface, so as to facilitate investments in crypto instruments for newcomers and veterans alike. The joint venture between heavyweights Tora and Kenetic brings to the table a wealth of experience in asset management, accumulated over decades of building and operating trading platforms and technologies.
The foregoing discussion is primarily a summary of certain U.S. federal income tax consequences of investing in a Fund based on the law in effect as of the date of this SAI. The discussion does not address in detail special tax rules applicable to certain classes of investors, such as, among others, IRAs and other retirement plans, tax-exempt entities, foreign investors, insurance companies, banks and other financial institutions, and investors making in-kind contributions to a Fund. Such shareholders may be subject to U.S. tax rules that differ significantly from those summarized above. You should consult your tax advisor for more information about your own tax situation, including possible other federal, state, local and, where applicable, foreign tax consequences of investing in a Fund.
As a shareholder on a Fund record date, you will earn a share of the investment income and net realized capital gains, if any, derived from a Fund’s direct security holdings and derivative instruments. You will receive such earnings as either an income dividend or a capital gains distribution. Each Fund intends to declare and distribute to its shareholders at least annually its net investment income, if any, as well as net realized capital gains, if any. Subject to Board approval, some or all of any net realized capital gains distribution may be declared payable in either additional shares of the respective Fund or in cash.
This can serve two purposes; firstly, CFDs are a regulated financial product which means the brokers who offer them should be licensed by a regulatory authority. The brokers we review are all regulated by reputable financial regulatory bodies, offering varying degrees of protection for your money – from ensuring it is held in a segregated bank account to participation in compensation schemes should the broker become insolvent. There are, of course, criminal CFD brokers operating outside the law so you should do your homework before depositing!

Subject to the general supervision by the Board, the Advisor is responsible for decisions to buy and sell securities and derivatives for each of the Funds and the selection of brokers and dealers to effect transactions. Purchases from dealers serving as market makers may include a dealer’s mark-up or reflect a dealer’s mark-down. Purchases and sales of U.S. government securities are normally transacted through issuers, underwriters or major dealers in U.S. government securities acting as principals. Such transactions, along with other fixed income securities transactions, are made on a net basis and do not typically involve payment of brokerage commissions. The cost of securities purchased from an underwriter usually includes a commission paid by the issuer to the underwriters; transactions with dealers normally reflect the spread between bid and asked prices; and transactions involving baskets of equity securities typically include brokerage commissions. As an alternative to directly purchasing securities, the Advisor may find efficiencies and cost savings by purchasing futures or using other derivative instruments like total return swaps or forward contracts. The Advisor may also choose to cross -trade securities between clients to save costs where allowed under applicable law.
To assist the Advisor in its responsibility for voting proxies and the overall proxy voting process, the Advisor has retained Institutional Shareholder Services (“ISS”) as an expert in the proxy voting and corporate governance area. ISS is a subsidiary of Vestar Capital Partners VI, L.P., a leading U.S. middle market private equity firm specializing in management buyouts and growth capital investments. The services provided by ISS include in-depth research, global issuer analysis and voting recommendations as well as vote execution, reporting and record keeping. ISS issues quarterly reports for the Advisor to review to assure proxies are being voted properly. The Advisor and ISS also perform spot checks intra-quarter to match the voting activity with available shareholder meeting information. ISS’s management meets on a regular basis to discuss its approach to new developments and amendments to existing policies. Information on such developments or amendments in turn is provided to the Proxy Committee. The Proxy Committee reviews and, as necessary, may amend periodically the Guidelines to address new or revised proxy voting policies or procedures.
In February 2014 the world's largest bitcoin exchange, Mt. Gox, declared bankruptcy. The company stated that it had lost nearly $473 million of their customers' bitcoins likely due to theft. This was equivalent to approximately 750,000 bitcoins, or about 7% of all the bitcoins in existence. The price of a bitcoin fell from a high of about $1,160 in December to under $400 in February.[85]

•   Portfolio Turnover Risk — In seeking to meet its investment objective, the Fund may incur high portfolio turnover to manage the Fund’s investment exposure. Additionally, active market trading of the Fund’s shares may cause more frequent creation or redemption activities that could, in certain circumstances, increase the number of portfolio transactions. High levels of transactions increase brokerage and other transaction costs and may result in increased taxable capital gains.
The Funds may invest in bitcoin-based futures contracts, swap agreements, and options contracts, which are types of derivative contracts. A derivative refers to any financial instrument whose value is derived, at least in part, from the price of an underlying security, commodity, asset, rate, or index. The use of derivatives presents risks different from, and possibly greater than, the risks associated with investing directly in traditional securities. Changes in the value of a derivative may not correlate perfectly with the underlying security, asset, rate or index. Gains or losses in a derivative may be magnified and may be much greater than the derivative’s original cost. Because bitcoin-based derivatives were only recently introduced, the degree to which bitcoin-based derivatives are likely to provide exposure to movements in the price of bitcoin is extremely uncertain. If market participants executing trades in bitcoin-based derivatives face constraints, including capital constraints, security risks, or high execution costs with respect to direct investments in bitcoin, the price at which bitcoin-based derivatives trade may fail to capture price movements in the underlying price of bitcoin. Moreover, it is not clear how changes to the Bitcoin Network and determinations by any relevant derivatives exchange with respect to such changes to the Bitcoin Network will affect the value of any positions in bitcoin-based derivatives. [[In December 2015, the SEC proposed a new rule to regulate the use of derivatives by registered investment companies, such as the Fund. Whether and when this proposed rule will be adopted and its potential effects on the Fund are unclear as of the date of this Prospectus.]]
If you are “going long” on Bitcoin, you assume that Bitcoin prices will go up. And if you expect Bitcoin prices to go up, you are interested in buying call options – options that enable you to buy Bitcoin at a predetermined price in the future. For example, if the current Bitcoin price is 5,000 USD and you expect it to rise to 8,000 USD 6 months from now, you would certainly pay good money for a call option that allows you to purchase Bitcoin for 5000 USD in 6 months, when everyone else is buying for 8,000 USD.
The Board has determined that its leadership structure is appropriate in light of the characteristics of the Trust and each of the Funds. These characteristics include, among other things, the fact that all Funds are organized under one Trust; all Funds are exchange-traded funds; all Funds have common service providers; and that the majority of Funds are geared funds, with similar principal investment strategies. As a result, the Board addresses governance and management issues that are often common to all or most of the Funds. In light of these characteristics, the Board has determined that a four-member Board, including three Independent
The moment you look at the amount of support Tron has been receiving lately, you immediately realize it’s not just yet another blockchain-based platform. Tron’s technology aims to deploy world’s largest FREE content entertainment system. The platform allows anyone to store and own data, and to freely publish their content. Its app “Peiwo” already gathers 10 million enthusiasts and is on the road to become the world’s first TRON-compatible entertainment app. This technology revolves around the following ideology:  All contributions on the network should be of equal quantitative value, the Internet should be decentralized, and data creators should have the absolute ownership of the data. It’s important to realise though that Tron has been pushed like hell by an ambitious marketing department… I have not yet decided if this is a cryptocurrency which will survive but, for a one year hold, it seems a safe bet.
While “physical” delivery of Bitcoins as part of a futures contract would certainly be possible it raises regulatory and security issues in today’s environment where the cybercurrency exchanges are mostly unregulated, somewhat unreliable, and theft due to security hacks is distressingly common.  By selecting cash settlement the CME and Cboe completely avoid the transfer of custody issues and shift those problems to somebody else—namely the market makers and arbitrageur.
(ix) limit-up or limit-down trading halts on options or futures contracts which may prevent a Fund from purchasing or selling options or futures contracts; (x) early and unanticipated closings of the markets on which the holdings of a Fund trade, resulting in the inability of the Fund to execute intended portfolio transactions; and (xi) fluctuations in currency exchange rates.
In 1998, Wei Dai published a description of "b-money", an anonymous, distributed electronic cash system.[14] Shortly thereafter, Nick Szabo created "bit gold".[15] Like bitcoin and other cryptocurrencies that would follow it, bit gold (not to be confused with the later gold-based exchange, BitGold) was an electronic currency system which required users to complete a proof of work function with solutions being cryptographically put together and published. A currency system based on a reusable proof of work was later created by Hal Finney who followed the work of Dai and Szabo.

You could imagine the spread going the other way, though. If everyone really was clamoring to short bitcoin, and if the futures offered a more convenient way to do it than the bitcoin exchanges, then you'd expect the short sellers to pay a premium to short via futures. Instead of selling a bitcoin at $18,000 today, they'd be willing to sell a synthetic bitcoin for $17,500, paying the spread to an arbitrageur who was willing to do the actual shorting for them. But the fact that the spread is mostly positive, and that bitcoin's price has been mostly going up, suggests that the demand has mostly been for synthetic long positions, not short.
Matthew Roszak, one of block.one’s early investors, said EOS holders shouldn’t worry too much about the warnings the company has given about the tokens. “I don’t think it’s fair reading into that language too tightly,” he said. Given the “regulatory environment is as clear as mud,” he said block.one needed to write something to provide the broadest protection possible.
Each Fund may engage in transactions in index options listed on national securities exchanges or traded in the OTC market as an investment vehicle for the purpose of realizing the Fund’s investment objective. The exercising holder of an index option receives, instead of the asset, cash equal to the difference between the closing level of the index and the exercise price of the option. Some index options are based on a broad market index such as the Standard & Poor’s (“S&P”) 500® Index, the New York Stock Exchange, Inc. (“NYSE”) Composite Index or on a narrower index such as the Philadelphia Stock Exchange Over-the-Counter Index. Options currently are traded on the Chicago Board Options Exchange, the NYSE Amex Options and other exchanges (collectively, “Exchanges”). Purchased OTC options and the cover for written OTC options will be subject to the relevant Fund’s 15% limitation on investment in illiquid securities. See “Illiquid Securities” below. When required by law, a Fund will segregate liquid assets in an amount equal to the value of the Fund’s total assets committed to the consummation of such options. Obligations under options so covered will not be considered senior securities for purposes of a Fund’s investment restriction concerning senior securities.
Many expect bitcoin futures to stabilise the markets because big institutional investors will be able to trade bitcoin using all the flexibility present in sophisticated trading markets, with effective risk management and hedging strategies. Since the CME plans to set price limits on the trading range of bitcoin futures, the price of the coin is expected to become more stable. That is the optimistic outlook. It is reasonable to assume that if futures markets will indeed take off the way they are expected to, the market will eventually gravitate towards a less volatile state.
ProShare Advisors, from its own resources, including profits from advisory fees received from the Funds, also may make payments to broker-dealers and other financial institutions for their services and expenses incurred in connection with the distribution and promotion of the Funds’ Shares. In this regard, the Advisor or an affiliate of the Advisor, may directly or indirectly make cash payments to certain broker-dealers for participating in activities that are designed to make registered representatives and other professionals more knowledgeable about exchange traded products, including the Funds, or for other activities, such as participation in marketing activities and presentations, educational training programs, conferences, the development of technology platforms and
or any other person or entity from the use of the MSCI Indexes or any data included therein in connection with the rights licensed hereunder or for any other use. Neither Morgan Stanley, any of its affiliates nor any other party involved in making or compiling the MSCI Indexes shall have any liability for any errors, omissions or interruptions of or in connection with the MSCI Indexes or any data included therein. Neither Morgan Stanley, any of its affiliates nor any other party involved in making or compiling the MSCI Indexes makes any express or implied warranties, and Morgan Stanley hereby expressly disclaims all warranties of merchantability or fitness for a particular purpose with respect to the MSCI Indexes or any data included therein. Without limiting any of the foregoing, in no event shall Morgan Stanley, any of its affiliates or any other party involved in making or compiling the MSCI Indexes have any liability for any direct, indirect, special, punitive, consequential or any other damages (including lost profits) even if notified of the possibility of such damages.
The Bitcoin Network and bitcoin, as an asset, currently hold a “first-to-market” advantage, often referred to as a “network effect,” over other digital assets. This first-to-market advantage has resulted in the Bitcoin Network evolving into the most well developed network of any digital asset. The Bitcoin Network enjoys the largest user base of any digital asset and, more importantly, the largest combined mining power in use to secure the Bitcoin Blockchain. Having a large mining network enhances user confidence regarding the security of the Bitcoin Blockchain and long-term stability of the Bitcoin Network. Despite the marked network effect advantage of the Bitcoin Network over other digital assets, it is possible that real or perceived shortcomings in the Bitcoin Network, technological, regulatory or other developments could result in a decline in popularity and acceptance of bitcoin and the Bitcoin Network.
The Funds may invest in both sponsored and unsponsored depositary receipts. Certain depositary receipts, typically those designated as “unsponsored,” require the holders thereof to bear most of the costs of such facilities, while issuers of “sponsored” facilities normally pay more of the costs thereof. The depository of an unsponsored facility frequently is under no obligation to distribute shareholder communications received from the issuer of the deposited securities or to pass through the voting rights to facility holders with respect to the deposited securities, whereas the depository of a sponsored facility typically distributes shareholder communications and passes through the voting rights.

The most common way to trade in Bitcoin and other cryptocurrency derivatives today is through contract-for-difference (CFD) contracts. These CFD contracts are usually traded over the counter (OTC), meaning that they are not traded on exchanges but directly between participants. Due to the high volatility (exceeding 1.5-2x std from the mean) most of the OTC platforms do not provide leverage on bitcoin and other cryptos CFDs.
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