The State of Blockchain Interoperability in 2021
Too Long; Didn't Read
Version 3 of “A Survey on Blockchain Interoperability: Past, Present, and Future Trends” is out. This survey depicts the state of blockchain interoperability as of March 2021, by collecting and analyzing 404 documents. Three main categories of solutions exist: Public Connectors (previously known as Cryptocurrency-directed approaches) and Blockchain of Blockchains. Hybrid Connectors, which provide cross-blockchain communication, are emerging solutions that will connect most types of blockchains, other DLTs and centralized systems.