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get paid curiosity on the idle cash. Principal and return are assured with generally around a hundred% collateral from the counterparties. 要接收比特币,只需向发送者提供您的地址。只需要确保您提供的是正确的地址。 受到合约市场动态和合约到期日的影响,可能与比特币现货价格存在显著差�