Transactions made with funds in a bank account can take a while on Coinbase - generally about 4-5 days business days. And using an account allows users to buy and sell crypto, to deposit money in, and and withdraw money from their Coinbase account. Bank accounts are generally recommended if you are dealing with larger investments and purchases - at the time of writing, using a bank account allows for users to spend as much as $11,250/week.
Miners take financial risks on hardware with the reasonable expectation that they will be able to earn a return. If one or the other chain is better equipped to service that result, then that will become the preferred chain of miners, and if they are within a few dozen dollars of each other in unit price, this preference can fluctuate algorithmically in ways that can have a dramatically negative effect on everyday users as difficulties rise and fall and make block times irregular.
But here, more than anywhere else, is where you need to proceed with caution. Bitcoin is already incredibly risky, imagine what risks smaller and lesser-known crypto brings. Rounding out a portfolio with other cryptocurrencies may be able to help you evaluate the state and perhaps the future of that market, but many of them can quickly prove to be a flash in the pan. The sudden rise of initial coin offerings -- a method of crowdfunding new cryptocurrencies in a way that avoids venture capital entirely -- has many people excited for the future, but also has many wondering if it's going to create an even more dangerous bitcoin bubble.
Another possible attempt at investing in bitcoin's value without buying bitcoins is with bitcoin futures. Bitcoin futures allow you to essentially bet on the cryptocurrency's value in the future; if you think the price of bitcoin will go up in the future, you could buy a futures contract. Should your instinct be right, and the price goes up when the contract expires, you're owed an equal amount to the gains. Notable places that offer bitcoin futures contract are the Chicago Board Options Exchange, or CBOE, and financial market CME Group.
Many services nowadays offer their users to buy Bitcoins, but they may often turn out to be a scam. Such cryptocurrency exchanges may simply take your money and then disappear. But among many services available on the web, CEX.IO is the one that can definitely be trusted. Still, why trust us? Here are several reasons why we are among the market leaders.