Ledger Nano XCold wallet with security emphasis supports a number of cryptocurrencies. Supports Bluetooth connection. First supporting Polkadot staking.
Airdrops.ioA service that monitors so-called token airdrops, which are free tokens for performing the most common tasks on social networks and the like.
Whitepapers.ioWhitepaper is the very first technical specification of the cryptocurrency. This service offers searching through them. All in one place.
Bitcoin ObituariesBitcoins have predicted death a total of 395 times. It's been 3 times this year. How many such predictions will Bitcoin still survive?