The State of Blockchain Interoperability in 2021
Hacker Noon March 25, 2021
After nearly 9 months of work, 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); Blockchain of Blockchains (previously known as Blockchain Engines); Hybrid Connectors (previously known as Blockchain Connectors).
Next, we will show a brief summary of the paper. Note that the full paper also contains:
- 👉 Blockchain Interoperability Framework (BIF), allowing to classify and systematically compare existing solutions
- 👉 Comprehensive background and related surveys (11 included)
- 👉 Supporting Technologies and Standards (including ISO — International Organization for Standardization, IETF, Hyperledger, and...