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NIST: Blockchain Technology Overview
https://nvlpubs.nist.gov/nistpubs/ir/2018/NIST.IR.8202.pdf


NIST: A Taxonomic Approach to Understanding Emerging Blockchain Identity Management Systems
https://csrc.nist.gov/publications/detail/white-paper/2020/01/14/a-taxonomic-approach-to-understanding-emerging-blockchain-idms/final



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