1) Fix unmarshalling JSON null values as a proper result instead of nil.
2) Use the last announced finalized block instead of LES CHT for the ancient limit.
3) Fix pending tx filter to return hashes, not full txs by default.
4) Fix dumpgenesis which failed due to a bad database key write.
5) Mainnet optimization transaction logic development from the network layer to the transaction layer,85% completed.
6) Research exploring incremental verification and SNARKS without pairings,80% complete.
7) Inter-node communication is done by grpc to reduce the size of transferred data and thus increase the speed of communication, 90% completed.
8) Integrate verkle trees into trie,reduce the cost of data transmission,85% 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, 80% completed.