Two months after opening up its waitlist for Ethereum 2.0 staking, US-based cryptocurrency exchange Coinbase says some of its customers can now start earning rewards on their Ethereum holdings. In exchange for locking down some of their ETH, Coinbase users can earn up to 6% interest annually. In a blog post updated today, the exchange said it would be notifying users when they've moved off the waitlist and encouraged others to sign up in the meantime. {tweet} The Ethereum blockchain is in the midst of a move from its current proof-of-work network to a proof-of-stake one. What that means, essentially, is that instead ... (full story)