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BlockFerret — Vouch's Builder ​

BlockFerret is the ethical MEV builder of the Vouch stack, built in the Switch.win × Vouch.run alliance. It is the builder that Vouch itself operates and connects to the MEV-Relay.

A builder is the machine that assembles blocks and bids for them. BlockFerret is ours.

  • Website: https://blockferret.win
  • Role: a builder connected to the Vouch MEV-Relay, bidding for PulseChain blockspace.
  • Ethics: arbitrage and back-runs only — never sandwiches, never front-running.

Why an alliance? ​

Two community projects, one shared commitment: build MEV infrastructure that competes hard without harming the people using the chain. Shared values, shared upside.

Ethical MEV, defined ​

BlockFerret captures arbitrage and back-runs:

  • Arbitrage — profiting from price differences across markets, which also keeps prices aligned.
  • Back-runs — riding the price move after a large trade, without affecting that trade.

It does not sandwich and it does not front-run users. Fair execution for users; the ecosystem keeps the value instead of handing it to extractors.

How it fits the stack ​

BlockFerret is one of several builders bidding through the MEV-Relay. The relay is permissionless and neutral — BlockFerret competes on the same terms as every other builder. When it wins a slot, its payment flows to the validator's fee recipient — for Vouch validators, into the wider ecosystem.

How value flows ​

Validators keep their priority fees. The builder uplift is shared back with the builder and Vouch — directionally aligned with the community, with exact splits finalised separately.

Transparency ​

BlockFerret's delivered blocks are publicly visible like everyone else's. Filter the delivered-blocks explorer by builder to see its activity.

Learn more ​