Programmer Warith Al Maawali has discovered a security breach in the Coinomi cryptocurrency wallet, as a result of which the Coinomi crypto wallet sends users' passphrases to the Google spell-check service in unencrypted form, thereby opening up access for scammers to private information and giving them the opportunity to take over users' funds. This breach in the wallet's security was discovered during the investigation of the mysterious theft of 90% of the programmer's funds.

On February 28, the Constantinople hard fork took place at block #7280000 on the network of the second-largest cryptocurrency by capitalization, Ethereum. Simultaneously with Constantinople, the St. Petersburg hard fork was activated on the Ethereum network. Its task is to disable the EIP-1283 protocol, in which problems with a Reentrancy-type vulnerability were discovered. It was precisely because of these that the upgrade was canceled in January.

Cryptocurrency exchange rates are characterized by extremely high volatility, and this sharply limits the use of cryptocurrencies outside a narrow area. Stablecoins, on the other hand, are directly pegged to the price of a certain asset, so they are not subject to excessive volatility and have very high investment appeal...

A recently conducted analytical study showed a decline in Bitcoin futures trading volumes. However, during the first quarter of 2019, the CME has noted steady growth in client interest in Bitcoin futures. At the same time, the number of futures contracts on the Chicago CME rose sharply, breaking previous records.

A Bitcoin futures contract within the US regulatory field is a bid for the full recognition of cryptocurrency around the world. But what exactly are Bitcoin futures and how promising are they, how do cryptocurrency futures work, what is their appeal and their drawbacks, how great is the risk...