Pseudonymity, Automation, and Responsibility on Public, Permissionless Blockchains under the GDPR
summary
Explains concrete legal and technical tradeoffs: EDPB Guidelines 02/2025 and the Commission’s Nov 2025 proposals push off‑chain storage plus on‑chain proofs, with 150 public comments and an Annex recommendation on commitments; Ethereum details (about 1 million validators, ~12s blocks) show why immutability and public wallets break deletion and consent, and why cryptographic commitments and ZK proofs are proposed workarounds; discusses CASP/KYC realities, DPIA frequency, post‑quantum risks and enforcement gaps so viewers learn what to build, how it might comply, and where uncertainty remains.
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chapters (8)
- 0:00Introduction
- 1:19Blockchain architecture basics
- 18:01EDPB blockchain guidelines
- 38:35Digital finance regulation coherence
- 56:46Personal data on blockchains
- 1:03:46Controller responsibilities
- 1:19:07GDPR’s blockchain impact
- 1:21:39Closing remarks
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