Splitting for Stability: a Modified Reward Scheme for Transaction-Fee-Only Regimes
Proposes reward-splitting consensus mechanism to stabilize Bitcoin mining in fee-only regimes post-halving, preventing winner-take-all undercutting attacks.
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Proposes reward-splitting consensus mechanism to stabilize Bitcoin mining in fee-only regimes post-halving, preventing winner-take-all undercutting attacks.
Framework analyzes Bitcoin and cryptocurrency market cycle regularities between halving events using Google Trends and Wikipedia data.
This week’s newsletter summarizes continued discussion about using TCP hole punching to make nodes behind home routers reachable and describes a draft BIP for standardizing the spending policies that co-signers enforce when emulating covenants. Also included are our regular…
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Elias Rohrer, Greg Sanders, Antoine Poinsot, Oleksandr Kurbatov, and Nishant Bansal to discuss Newsletter #429. The Bitcoin Optech Podcast and transcription content is licensed Creative Commons CC BY-SA…
Early this morning Mercado Bitcoin, Brazil’s largest crypto exchange, suffered a security incident that resulted in approximately $49 million in… The post Disrupting the Mercado Bitcoin Attack: How Chainalysis Led the Freeze of Nearly $10M in Stolen Funds appeared first on…
Revisit of Elliptic++ Bitcoin forensics dataset reveals temporal leakage in train-test split and undocumented feature definitions; proposes corrected pipeline for 55 address-level features.
satd Bitcoin node adds optional full OP_RETURN value pruning with configurable size thresholds and recovery options.
Eltoo state channel implementation on Bitcoin signet using OP_TEMPLATEHASH, OP_CSFS, and OP_INTERNALKEY for 35-byte settle scripts.
This week’s newsletter describes a protocol for creating silent payment transactions from multiparty wallets, summarizes the responsible disclosure of a denial-of-service vulnerability that affected older versions of Core Lightning, and explains Bitcoin Core’s updated security…
Bitcoin Core 29.5 released with bug fixes; node operators should update for security and stability improvements.
Also covered by Bitcoin Core releases
CVE-2026-117350 (Medium): Non-Linux Bitcoin Core nodes vulnerable to memory exhaustion via TCP urgent data; affects select()-based platforms; patched in v29.5, 30.4, 31.2, 32.1.
CVE-2026-117346 (Low): Bitcoin Core undo file overflow allows miners to corrupt other nodes' data under extreme reorg conditions; impractical exploit; 32-bit and FAT32 systems remain affected.
Bitcoin Core 30.4 released with bug fixes; node operators should update for security and stability improvements.
Also covered by Bitcoin Core releases
Bitcoin Core 31.2 released with bug fixes; node operators should update for security and stability improvements.
Also covered by Bitcoin Core releases
CVE-2026-117349 (Medium): Bitcoin Core paused pre-BIP31 peers allow unbounded memory growth in announcement queue; fixed in v29.5, 30.4, 31.2, 32.1.
Opinion piece examining why Bitcoin payment adoption lags and speculation on paths to mainstream adoption; lacks concrete technical proposals.
Readable archive mirror of 15-year bitcoin-dev mailing list (24,699 messages) with threaded view, permalinks, BIP index, and author pages.
Bitcoin Core 32.1 released with bug fixes; node operators should update for security and stability improvements.
Also covered by Bitcoin Core releases · Delving Bitcoin
Gustavo Flores Echaiz and Brandon Black are joined by Adam Gibson, Vincenzo Palazzo, and João Dias to discuss Newsletter #428. The Bitcoin Optech Podcast and transcription content is licensed Creative Commons CC BY-SA 2.0 News ● Trust-minimized exits from a single-issuer layer…
Speculative proposal for post-quantum Bitcoin security via 'Proof-of-Decay' to handle unmigrated dormant UTXOs; lacks technical specification or consensus viability.
This week’s newsletter describes a design for a single-issuer layer 2 whose users can redeem their bitcoin onchain without the issuer’s cooperation and summarizes a proposal for including hash preimages in output script descriptors. Also included are our regular sections…
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Bitcoin node operator releases cost-bounded transaction filtering DSL for satd Rust node implementation, enabling selective relay and block-template inclusion policies without consensus impact.
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Erick Cestari and Adam Gibson to discuss Newsletter #427. The Bitcoin Optech Podcast and transcription content is licensed Creative Commons CC BY-SA 2.0 News ● Disclosure of two DoS vulnerabilities…
btc-verified project releases October update on formalizing Bitcoin consensus rules layer-by-layer, addressing gap between formal models and ground-truth protocol behavior.
This week’s newsletter summarizes the disclosure of two denial-of-service vulnerabilities in older versions of Eclair and describes a proposed scheme for running complex multi-round contracts inside Lightning channels. Also included are our regular sections announcing new…