Explore how identity registry smart contracts solve the regulatory compliance challenge for secondary market trading of tokenized real-world assets.
Unlike permissionless token standards like ERC-20, real-world financial assets require strict regulatory compliance at the smart contract level.
The ERC-3643 (T-REX) standard solves this by introducing an Identity Registry system. Before any token transfer is executed, the contract checks whether both the sender and receiver hold valid cryptographic identity claims (ONCHAINID).
This guarantees that unverified, sanctioned, or non-KYC wallets are automatically blocked by the smart contract before settlement can occur.
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