Stoked to share that we have drafted ERC-8092: Associated Accounts. It's a standard for publicly linking blockchain accounts with cryptographic guarantees. This is the critical unlock needed to enable sub-account identity inheritance, delegated auth patterns and platform-agnostic portfolio collation. You can read the spec itself here: https://github.com/ethereum/ERCs/pull/1377 Not in a reading mood? No worries! Play around with the spec on this purpose-built demo app: