Event Aggregator https://github.com/abchain/hyperledger Identity Mixer, Gossip, Cross Chaincode Invocation https://github.com/xiekang997653765/fabric-gm Nested Chain, Sub Chain https://github.com/HXF-eve/NestedChain-Subchain Banks, Loans, Wallets https://github.com/Harshitha95/ThemechainSCF0.1GV