A Solana-based crypto asset tied to the price of bitcoin collapsed in value Friday after CoinDesk reported that FTX US – the only venue left to exchange it for real bitcoin – had frozen withdrawals.Read MoreCoinDeskA Solana-based crypto asset tied to the price of bitcoin collapsed in value Friday after CoinDesk reported that FTX US – the only venue left to exchange it for real bitcoin – had frozen withdrawals.