A public dispute between a longtime crypto investor and a digital-asset exchange is the latest in a series of mini-crises that have rocked crypto markets in recent weeks. CoinFlex, a crypto exchange, on Tuesday named Roger Ver as the counterparty who failed to pay $47 million of stablecoin in a margin call. CoinFlex had previously disclosed a liquidity issue that led to the exchange pausing withdrawals. CoinFlex CEO Mark Lamb said in a tweet that the company served Ver, who is an investor in the exchange and was an early promoter of Bitcoin, with a notice of default. “I have no debt to CoinFlex,” Ver told Bloomberg ... (full story)