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Bitcoin Kernel, Datum, PubPay Live Drive New BTC Shift

BTCTuesday, May 19, 2026· 10 videos

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Bitcoin Kernel challenges Core dominance

Bitcoin Kernel proposes separating consensus logic from Bitcoin Core to enable multiple full node implementations without risking chain splits. Since 2015, the vast majority of nodes have relied on Core, creating a powerful network effect and high switching costs. The project aims to introduce safer client diversity while preserving consensus integrity. If successful, it could reduce systemic risk tied to a single dominant codebase.

Datum Gateway boosts mining efficiency

Datum Gateway shifts mining work generation on-site, reducing reliance on centralized pools and cutting latency. Estimates suggest operations lose up to 1.6 BTC annually per exahash due to stale shares and bandwidth delays. By generating work locally, Datum minimizes these inefficiencies and improves revenue capture. The approach also strengthens decentralization by weakening pool dominance.

PubPay Live enables Lightning tipping

PubPay Live combines Lightning Network payments with Nostr identity to enable real-time tipping via QR codes. Audiences can send small Bitcoin payments, or “zaps,” directly to speakers and performers with signed messages. The tool addresses monetization challenges faced by creators in the Bitcoin ecosystem. It turns passive audiences into active participants in live events.

Home mining resurges with Bitaxe

New hardware and open-source projects like Bitaxe are driving a revival in home Bitcoin mining. Entry costs have dropped below $50, while devices from firms like Canaan prioritize quiet, consumer-friendly designs. An estimated 100,000 to 200,000 individuals have joined as small-scale miners. This trend reflects a shift back toward decentralization after years of industrial dominance.

Bitcoin development shifts beyond base layer

While the Bitcoin protocol saw no major upgrades, innovation surged in adjacent areas like Lightning, Nostr, and Cashu. Improvements in mempool policy, FIBRE relay, and silent payments show progress without consensus changes. The BIP process remains active, especially around covenants and opcodes, but slow coordination limits base-layer evolution. Developers increasingly prefer faster-moving peripheral ecosystems.

Char proposes shared L2 sequencing

Char introduces a shared sequencing layer for Bitcoin L2s using stake-based consensus and slashing. Participants lock Bitcoin and risk losing funds if they behave dishonestly, creating strong economic guarantees. The system produces verifiable proofs of transaction ordering across multiple L2s. This could reduce fragmentation and reliance on centralized sequencers.

Liquid struggles despite Blockstream backing

Liquid, launched by Blockstream in 2018, has seen limited adoption despite features like confidential transactions and multi-asset support. Weak developer tooling and poor documentation slowed ecosystem growth. Complex cryptography and impractical smart contract design added further friction. Recent improvements aim to revive usage by focusing on real-world applications and better UX.

Mining’s local impact faces scrutiny

Bitcoin mining has revitalized regions like Rockdale, Texas, creating jobs after industrial decline. One facility employed 650 contractors and supported up to 2,500 indirect jobs. However, automation allows 10 MW sites to run with just a few workers, raising concerns about energy use versus employment. Operators are increasingly pressured to demonstrate broader community and economic benefits.

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