1.        USDT (Tether)
合约地址：0xdac17f958d2ee523a2206206994597c13d831ec7
        2.        USDC (USD Coin)
合约地址：0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48
        3.        DAI (MakerDAO’s Stablecoin)
合约地址：0x6b175474e89094c44da98b954eedeac495271d0f
        4.        UNI (Uniswap)
合约地址：0x1f9840a85d5af5bf1d1762f925bdaddc4201f984
        5.        LINK (Chainlink)
合约地址：0x514910771af9ca656af840dff83e8264ecf986ca
        6.        AAVE (Aave Protocol)
合约地址：0x7fc66500c84a76ad7e9c93437bfc5ac33e2ddae9
        7.        WBTC (Wrapped Bitcoin)
合约地址：0x2260fac5e5542a773aa44fbcfedf7c193bc2c599
        8.        MATIC (Polygon)
合约地址：0x7d1afa7b718fb893db30a3abc0cfc608aacfebb0
        9.        SAND (The Sandbox)
合约地址：0x3845badade8e6dff049820680d1f14bd3903a5d0
        10.        MKR (MakerDAO Governance Token)
合约地址：0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2