Practical Escrow Protocol For Bitcoin
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY(2020)
摘要
An escrow protocol for Bitcoin allows fair trading using bitcoins. To ensure fairness, the existing proposals made various trade-offs between trust, privacy, and efficiency. In this work, we evaluate the existing escrow protocols for cryptocurrency and propose a practical escrow protocol for Bitcoin that is: (a) computationally efficient; (b) round efficient; and (c) privacy-preserving. The core component of our escrow protocol for Bitcoin is a new verifiably encrypted ECDSA scheme, which may be of independent interest. Furthermore, we implement the escrow protocol for Bitcoin in Bitcoin mainnet, demonstrating the feasibility of our protocol.
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关键词
Bitcoin, Protocols, Encryption, Privacy, Escrow protocol, Bitcoin, verifiably encrypted ECDSA
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