The most important feature of futures is that you never have to sell bitcoin ever again. Seriously. Why would you sell into fiat when you are concerned about a possible price drop? If you want to short bitcoin, then with futures you can simply "sell" or "short" the derivatives contracts and earn more bitcoin when the price drops -- so that your fiat value is the same or more if you use leverage. Of course you can also buy the contracts and  multiply your bitcoin when the bitcoin price goes up! But think for a moment how important this tool is: earn more bitcoin when the bitcoin price drops, and you effectively do NOT have to sell to fiat anymore. And with the power of margin leverage, you don't have to risk too much Bitcoin to take meaningful directional positions.

Like any futures contract, trading in XBT futures is not suitable for all investors and involves the risk of loss. The risk of loss in XBT futures can be substantial. Market participants should, therefore, carefully consider whether such trading is suitable in light of their own circumstances and financial resources. For additional information regarding futures trading risks, see the Risk Disclosure Statement set forth in CFTC Regulation 1.55(b).
eToro is a social trading and multi-asset brokerage platform with offices in Cyprus, Israel and the United Kingdom. The platform allows users to watch trading strategies of others and copy them. The company’s products OpenBook and WebTraders allow traders to learn from each other. The features are user-friendly and simple to use while the fees depend on market dynamics.
The Bitcoin protocol was built using open source software by a small group of individuals who developed what is known today as “Bitcoin Core.” The open source nature of the Bitcoin protocol permits any developer to review the underlying code and suggest changes to it via “Bitcoin Improvement Proposals”, or “BIPs.” If accepted by a sufficient number of miners, BIPs may result in substantial changes to the Bitcoin Network, including changes that result in “forks” (as described herein). The Bitcoin Network has already experienced two major forks after developers attempted to increase transaction capacity. Blocks mined on these new “forked” networks now diverge from blocks mined on the original Bitcoin Network maintained by Bitcoin Core, resulting in the creation of two new blockchains whose digital assets are referred to as “bitcoin cash.” and “bitcoin gold.” Bitcoin, bitcoin cash and bitcoin gold now operate as separate, independent networks. Multiple BIPs still exist, many of which are aimed at increasing the transaction capacity of the Bitcoin Network, and it is possible that one or more of these BIPs could result in further network “forks.” Such changes may
Since you bought 68.4246 BTC, you want to short 68 BTC and lock in the USD value. You will have 0.4246 BTC left over, which will give you a slightly long bias. You can either fix this by only buying 68 BTC in step 1 or by giving yourself more short exposure by shorting 69 BTC. Remember that CryptoFacilities contracts are inverse (which allow locking in USD) and are denominated in BTC
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