AOA Bi-Monthly Technology Update| April-May 2022

1) optimizations for RLP encoding and package trie.
2) Research EIP-4907,an extension of ERC-721. It proposes an additional role (user) which can be granted to addresses, and a time where the role is automatically revoked (expires).
3) Preparatory work for an upcoming for state layout change.
4) GraphQL: fee history API methods were added, along with nonce for pending accounts.
5) The non-cgo fallback secp256k1 crypto library was updated and is now ~25% faster.
6) Support for signing nested types via clef.
7) Aurora add ethereum account system 60% complete.
8）Research exploring incremental verification and SNARKS without pairings,35% complete.
9) Smart contract data splitting scheme has entered the development stage, through consistency hash plus virtual link points to solve the uneven distribution of data status quo, 80% completed.
10) integrate verkle trees into trie,reduce the cost of data transmission,30% completed.