Tech, News Two mining pools controlling most of Ravencoin’s hashpower are building a replacement chain from before Friday’s first invalid block, putting deposits, withdrawals and payments made since then at risk of reversal. Two mining pools controlling most of Ravencoin’s hashpower are building a replacement chain from before Friday’s first invalid block, putting deposits, withdrawals and payments made since then at risk of reversal. CoinDesk: Bitcoin, Ethereum, Crypto News and Price Data Read More