Coinbase, one of the largest U.S. online exchanges used by investors, temporarily crashed and continued to suffer from service delays. Trezor, a wallet service, tweeted that it’s having “minor issues” with its servers, while Bitfinex, the largest bitcoin exchange in the world, said on Twitter that it has been under a denial of service attack for several days and that it recently got worse.
The entrance of Cboe and CME is a watershed for bitcoin because many professional investors have been unwilling to do business on the unregulated platforms where bitcoin currently trades. Cboe and CME are regulated, potentially assuaging those concerns.
Some big traders had just warned about the impending introduction. On Wednesday, the Futures Industry Association — a group of major banks, brokers, and traders — said the contracts were rushed without enough consideration of the risks.