# Chains Compete on Time to Irreversibility

Layer-1 networks will keep rewriting consensus to compress finality toward sub-second settlement, because institutional payment and trading users price confirmation delay as a funding cost, so consensus replacement becomes a recurring competitive event rather than a one-time upgrade.

- Conviction: 28 / 100 (weakening)
- 7-day move: -6
- Horizon: Emerging (watchlist)
- Tracking since: 2026-09-23T00:00:00.000Z
- Last updated: 2026-10-12T14:07:13.213Z
- Canonical: https://polylog.news/crypto/trends/l1-settlement-latency-race
- Publisher: Polylog
- Affected regions: Global

## Recent score history

- 2026-10-11: 30
- 2026-10-12: 28

## Recent evidence

- [confirms] Solana finishes cutting its slot time to 200 milliseconds, half its original target, before the Alpenglow consensus upgrade (2026-10-10): Solana's move to 200ms slots is described as groundwork before the Alpenglow consensus upgrade. This shows a major L1 compressing time-to-confirmation in stages and treating the consensus replacement as the next competitive step.
- [confirms] Solana Foundation releases an open-source delivery-versus-payment program, built with JPMorgan input, that settles institutional trades in one atomic transaction (2026-10-06): The Solana Foundation released an open-source, audited delivery-versus-payment program, built with JPMorgan input on deadlines and token extensions, that settles institutional trades in one atomic transaction. Layer-1s are competing to eliminate the gap between trade and settlement for institutional users. JPMorgan says it does not endorse or operate the program.

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