https://stampd.org/tags/digital-signatures/Recent content in Digital Signatures on StampD.org – The Time Dimension of BlockchainHugoenTue, 02 Jun 2026 02:00:00 +0000https://stampd.org/blockchain-timestamps-and-digital-signature-laws-how-global-legislation-recognized-on-chain-proof-of-existence/Tue, 02 Jun 2026 02:00:00 +0000https://stampd.org/blockchain-timestamps-and-digital-signature-laws-how-global-legislation-recognized-on-chain-proof-of-existence/From the Utah Digital Signature Act (1995) to Italy’s DLT Timestamp Law (2019), global legislation has gradually built a legal framework that recognizes blockchain timestamps as valid proof of existence. This article examines how five major legal systems — the US, EU, China, Italy, and international model laws — treat on-chain timestamps, and why the distinction between ‘proving existence’ and ‘proving identity’ is the key to understanding their legal status.