A new Bitcoin mining payment design is exploring how decentralized pool participants could receive rewards through Lightning, Ark and Cashu, rather than relying exclusively on conventional on-chain payouts. The approach was presented at bitcoin++ Berlin on October 3, 2026.

The conference program lists a technical session, “Payments for Miners With P2Poolv2 Share Chain,” by P2Poolv2 contributor Kulpreet Singh. The talk describes how Bitcoin Script support and a Bitcoin Core-compatible JSON API can enable on-chain and off-chain swaps for miner payments. It is a technical proposal and demonstration topic, not evidence that every P2Poolv2 miner already receives payouts through these systems.

Why payouts matter: Mining pools typically track shares, calculate rewards, credit balances and send external payments according to thresholds and schedules. Small miners may accumulate balances for days before reaching a withdrawal threshold. A payment channel or swap could change how a reward is delivered, but it also introduces liquidity, routing, fee and trust-model considerations.

An October 8 ViaBTC comparison emphasizes that reward settlement, internal crediting and external payout are different events. Hourly accounting does not necessarily mean an hourly payment to a miner’s wallet. The distinction remains important regardless of whether payouts use Bitcoin’s base layer or Lightning.

Bitcoin Optech also covered a separate September proposal for mining pools to use silent payments directly in coinbase transactions. That design aims to improve payout address privacy. It is distinct from the P2Poolv2 off-chain swap discussion, but both efforts show continuing experimentation with the payment plumbing behind mining.

For operators, the questions are concrete: What is the effective payout fee? How quickly does a balance become spendable? Who holds funds before payout? Can a miner independently verify its share accounting? And what happens if Lightning liquidity is unavailable? No single delivery mechanism answers every question.

The practical takeaway is that mining payment infrastructure is evolving beyond a simple “pool sends BTC once per day” model. The engineering work is promising, but production reliability and custody assumptions must be evaluated before a miner changes payout settings.

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