Adam Back says blockchain could use op_return2 or segData to add auxiliary or annex data with different redundancy guarantees. The Blockstream CEO said it fits

BWB News TV • 2026-08-17 10:06 UTC • By Billy Odell Tucker-Robinson

Adam Back says blockchain could use op_return2 or segData to add auxiliary or annex data with different redundancy guarantees. The Blockstream CEO said it fits a broader push for protocol security after recent COLDCARD guidance.

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