1) Research EIP-4527,provide a process and data transmission protocol via QR Code between offline signers and watch-only wallets.
2) The JSON-RPC client no longer hangs when invalid batch results are returned by the server.
3) A corner-case issue in the filter system is resolved.
4) Optimize nonce handling performance in the txpool,60% completed.
5) mainnet optimization transaction logic development from the network layer to the transaction layer,55% completed.
6) Research exploring incremental verification and SNARKS without pairings,50% complete.
7) Inter-node communication is done by grpc to reduce the size of transferred data and thus increase the speed of communication, 60% completed.
8) integrate verkle trees into trie,reduce the cost of data transmission,55% completed.
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, 50% completed.