ChainCatcher news, Vitalik Buterin posted on social media today urging industry participants to start working on ERC-3770 and ERC-7683, addressing potential issues that may affect future address space expansion for community users.He added that the main challenge of 32 bytes lies at the contract level (many contracts use mod 2** 160 to handle addresses), while ERC-3770 is at the UI level, and the two are orthogonal to each other.