Poolin Wallet plans to issue six types of IOU (I Owe You) tokens to asset freezing customers, namely IOUBTC, IOUETH, IOUUSDT, IOULTC, IOUZEC, and IODoge, representing the original BTC, ETH, and USDT held by users , LTC, ZEC, Doge, the ratio is 1:1 ratio. IOU-token represents a certain asset held by the user in the currency wallet asset account and currency pool mining pool account, and can be withdrawn at any time. IOU tokens will be tradable on-chain. Billin Wallet will eventually redeem users' IOU tokens, with the goal of destroying all IOU tokens in batches. Biyin Wallet stated that the current top priority is to restore as many token withdrawals as possible. At the same time, until the withdrawal problem is significantly alleviated, Trade and Earn products will remain out of service, including but not limited to Flexi Earn, Fixed Earn, All orders for DeFi, Options, Smart Earn, Gold Range Accrual, Bold Earn, Dual Deposit, etc. will be settled to asset accounts in advance, and deposits for new products will be suspended.