Multisignature
Multisignature (multi-signature) is a digital signature scheme which allows a group of users to sign a single document. Usually, a multisignature algorithm produces a joint signature that is more compact than a collection of distinct signatures from all users.[1]
Multisignature can be considered as generalization of both group and ring signatures.
Multisignature adds additional security for cryptocurrency transactions. Multisig cryptocurrency wallets require all parties involved in the creation of this type of wallet to agree before any transaction can occur.
References
- Bellare, Mihir; Neven, Gregory (2006). Identity-Based Multi-signatures from RSA. Topics in Cryptology – CT-RSA. Lecture Notes in Computer Science. 4377. pp. 145–162. CiteSeerX 10.1.1.207.2329. doi:10.1007/11967668_10. ISBN 978-3-540-69327-7.
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