Blockdaemon Builder Vault TSM

The Blockdaemon Builder Vault Threshold Security Module (TSM) is a system for using and managing cryptographic keys. The Blockdaemon Builder Vault TSM is based on threshold cryptography which is a way to do key management using the state-of-the-art cryptographic technique called Multiparty Computation.

A TSM is constituted by a number of different artefacts:

  • A cluster of n so-called MPC nodes
  • A set of cryptographic MPC protocols implementing cryptographic primitives as threshold cryptography
  • An optional administration tool
  • An optional audit-log service

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