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Bitcoin Covenants Part 5: MATT and OP_CHECKCONTRACTVERIFY — How Bitcoin could carry state across transactions

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18 hours ago

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OP_CCV embeds contract state directly into Taproot output keys and enforces valid state transitions onchain. This makes it possible to achieve stateful contracts and compact fraud proofs.

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BlackRock Bitcoin ETF outflows hit $2B over nine sessions

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3 minutes ago

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November 12, 2026

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US spot Bitcoin ETF outflows rose to nearly $300 million on Wednesday, up from $95 million a day earlier, as five-session withdrawals reached $1.44 billion.

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South Korea to permit crypto withdrawal freezes during hacking threats

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2 hours ago

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November 12, 2026

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The move follows recent security incidents involving South Korean crypto exchanges, including GOPAX’s precautionary suspension of services and a $70,000 hot-wallet breach at Prabang.

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Binance CSO unwittingly foreshadowed $6.3B hack tactic months before attack

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3 hours ago

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November 12, 2026

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In a July interview, Binance chief security officer Jimmy Su explained how fake coding assessments could compromise employee devices, a tactic later used in the exchange’s record-breaking hack.

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