XEC Founder Outlines Instant-Finality Plan Using Avalanche Pre-Consensus

Speaking at the Electronic Cash Conference in Barcelona, eCash founder Amaury Séchet announced the launch timeline for “Pre-Consensus,” a feature slated for the Nov. 15 network upgrade.

Avalanche-Style Pre-Consensus Arrives on eCash Nov. 15

Pre-Consensus will activate on mainnet as part of the upcoming eCash (XEC) upgrade, formalizing a capability long discussed within the project’s roadmap. The announcement came during the Electronic Cash Conference in Barcelona, where Amaury Séchet outlined objectives and activation mechanics.

Pre-Consensus integrates Avalanche-style consensus within eCash to add fast transaction finality ahead of block production. Project materials describe it as the first instance of instant finality on a proof-of-work (PoW) blockchain, targeting confirmation within three seconds and aiming to reduce the need for probabilistic settlement in routine payments.

“Pre-Consensus is a milestone not just for eCash, but for digital cash technology in general,” Séchet stated at the Electronic Cash Conference in Barcelona.

For exchanges and services, the team says the change means deposits can be credited without waiting for multiple block confirmations. Current service providers listed as supporting eCash’s Avalanche finality include Binance, Upbit, Bithumb, HTX and Coinex, with a public scorecard tracking integrations and planned rollouts.

Developers characterize eCash as a Nakamoto/Avalanche hybrid that preserves proof-of-work while layering Avalanche pre-consensus to speed settlement. The Avalanche implementation on eCash is separate from the AVAX network and was developed by the Bitcoin ABC team, according to project documentation and the announcement shared with Bitcoin.com News.

Activation is programmed for Nov. 15, pending the network upgrade’s execution across compatible nodes. Additional background on instant finality and the Avalanche integration is available on the project’s website and the scorecard that tracks service support, which the team says will be updated as more services enable the feature.