Public testnetC12 Marketplace runs on c12-testnet-1 (EVM chain id 12121). Test tokens and listed units have no monetary value. Units stay on C12 and are not bridgeable.
EV fleet (testnet demo)2026-Q1

Verified Impact Unit · batch #1

Offered by Zevo · Each VIU equals one kilogram of modelled avoided impact (1.0 kg per unit granularity on-chain).

Where this impact came from

  1. 1 · Record

    A record of fleet electric miles, hashed into a claim. This batch uses testnet demo hashes, not a live Zevo record.

    Claim 0xd6189030…1efc5d

    Record 0x91545920…c68774

    Registration transaction on explorer ↗

  2. 2 · Verify

    A verifier attested the record and its evidence bundle (demo verifier account).

    Verifier 0x5B58BB…a4E9

    Evidence 0x8b28c294…708aac

    Verifier account on explorer ↗

  3. 3 · Model (POCA)

    grid-emissions v2024.1 applies grid factors for CA to produce a modelled estimate, not a field measurement.

    Open C12 Studio ↗

  4. 4 · Unit (VIU batch #1)

    EV fleet (testnet demo) · vintage 2026-Q1 · 1000 g modelled impact per VIU.

    Mint transaction on explorer ↗ VIU contract ↗