Noninteractive Distributed Key Generation (NIDKG), a bespoke cryptography protocol released by the Dfinity Foundation, secures the Internet Computer Protocol using forward secrecy, Zero-Knowledge proofs (ZKPs), and other advanced cryptography features (ICP). ICP has nodes that migrate between subnets; the NIDKG protocol enables nodes to securely join new subnets by allowing them to reshare private keys publicly and secretly and acquire their share of the subnet signing key.
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