Tag
OP_CAT
Every OP_CAT story we've curated in Bowl of Data, newest issue first — part of our weekly digest across AI, security, blockchain, and engineering.
Week 29 · 2026
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Bitcoin Covenants Part 4: OP_CHECKSIGFROMSTACK and OP_CAT
This article explores the utility of proposed Bitcoin opcodes OP_CSFS and OP_CAT in creating advanced covenant functionalities. It details how these primitives can be used to enforce transaction templates through signature-based introspection.
Week 28 · 2026
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Bitcoin’s quantum dilemma: Bigger blocks or STARK proofs?
The article explores the technical and governance-related dilemma of preparing Bitcoin for a quantum computing era. It compares the efficiency of using ZK STARKs for signature aggregation against the more controversial approach of increasing block size.
Week 27 · 2026
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The biggest blockchain upgrades still to come in 2026
The blockchain landscape in 2026 is moving toward fundamental protocol enhancements focused on institutional utility and network stability. Key upgrades for Ethereum, Solana, and Base aim to optimize throughput, reduce latency, and improve governance.
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