A Survey on Blockchain Interoperability: Past, Present, and Future Trends

@article{Belchior2022ASO,
  title={A Survey on Blockchain Interoperability: Past, Present, and Future Trends},
  author={Rafael Belchior and Andr{\'e} Vasconcelos and S{\'e}rgio Guerreiro and Miguel Pupo Correia},
  journal={ACM Computing Surveys (CSUR)},
  year={2022},
  volume={54},
  pages={1 - 41}
}
Blockchain interoperability is emerging as one of the crucial features of blockchain technology, but the knowledge necessary for achieving it is fragmented. This fact makes it challenging for academics and the industry to achieve interoperability among blockchains seamlessly. Given this new domain’s novelty and potential, we conduct a literature review on blockchain interoperability by collecting 284 papers and 120 grey literature documents, constituting a corpus of 404 documents. From those… 
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