C-Zero

The carbon ledger testnet. Record, verify and retire every tonne of CO2e in public, on c0.

[C-Zero @C0scan]

c0scan’s token is LIVE on @arc via @Arguspad. 🌱

Building a public carbon ledger for traceable records, accessible evidence, and transparent retirement history.

CA: 0x425dadccceb15e50360f04cf68e00794ff9bf4c9

https://t.co/hFBi5deKAc

[C-Zero @C0scan]

@arc Everything built so far—faucet, explorer, $C0, Holder link, Signals, and Registry v1—proves the architecture before real assets touch the chain.

Check the roadmap and watch the countdown:
https://t.co/hFBi5deKAc

[C-Zero @C0scan]

The final milestone: Mainnet. 🌉🌱

A production carbon ledger bridged directly to @arc. Moving from testnet sandbox assets to real, certified CO2e tonnes backed by live satellite MRV feeds and staked $C0 verifier nodes.

From testnet to real tonnes.

https://t.co/ibDqKd3kre

[C-Zero @C0scan]

@arc What Mainnet changes:

1. Real Tonnes: Certified credits retired on-chain with immutable proof.
2. Arc Bridge: Native USDC settlement for corporate buyers & DEX trading.
3. $C0 at Scale: Staked by institutional verifiers, powering registry fees & burns.

No phantom credits.

[C-Zero @C0scan]

@weiwang47854291 Value comes from mechanics over hype:

• Active burn: 31M+ $C0 permanently burned from trading fees so far.
• Supply lockup: Verifiers must stake 250K $C0 to earn protocol fees.
• Real demand: Powering on-chain carbon RWA verification on Arc.

Real utility drives holders. 🌱

[C-Zero @C0scan]

Registry v1 is live on https://t.co/zq8jTe3yel:
standards in the open. 🌱

A certified methodology library with community-reviewed factors, 4 active verifier nodes staked in $C0 on Arc (1.4M $C0 staked), and guided project onboarding.

No phantom credits.

https://t.co/lmc5m4xz8T

[C-Zero @C0scan]

Yes! 🗺️

Roadmap: check the interactive roadmap on https://t.co/zq8jTe3yel (Registry v1 is live, Mainnet is next).

Docs / Whitepaper: We favor working code over static PDFs. Full architecture and methodology library are live at https://t.co/lmc5m4xz8T & https://t.co/P9YWACFrm9 🌱

[C-Zero @C0scan]

How it works:
project developers pick an approved methodology, hash raw evidence locally (SHA-256), and submit on-chain. Staked verifiers inspect artifacts before minting tCO2e.

Explore all 6 methodologies & active verifiers:
https://t.co/M9nm633sWB

[C-Zero @C0scan]

@albosznb @arc It’s $C0’s first community vote! 🗳️

We hold back a % of carbon credits as an insurance cushion (currently 10%). You vote on what that safety % should be: 5%, 10%, 15%, or 20%.

Free to vote (gasless signature) at https://t.co/wr8JQvCrNI 🌱

[C-Zero @C0scan]

c0 Signals is live:
$C0 holders set the rules c0 runs on. 🌱

Signal #1: how much of each verified removal should the buffer pool hold back? 5%, 10%, 15% or 20%.

One free signature, weighted by your $C0 on @arc. The winning share is applied on-chain.

https://t.co/wr8JQvCZDg

[C-Zero @C0scan]

@coker_dayo @arc Appreciate the heads up, Dayo! We’re on it—it’s a Binance Wallet routing limitation with Uniswap v4 on Arc. We’ve let them know they can use GMGN or FOMO Family instead. Thanks for keeping us sharp! 🤝

[C-Zero @C0scan]

The $C0 holder link is live. 🌱

Same wallet, same address on @arc and on c0. Hold 100K $C0 on Arc and that address gets a holder badge on c0scan, the leaderboard and its certificates, plus 10x the daily faucet: 5 tC0.

Nothing to bridge, sign or stake.

https://t.co/6hz7BtfZnY

[C-Zero @C0scan]

@ZhuiriGo @arc Hey! It's a Binance Wallet routing issue on Arc (their swap doesn't route Uniswap v4 yet). Liquidity is fully active.

You can buy $C0 smoothly via GMGN (https://t.co/aIbf8CjiGg) or FOMO (https://t.co/3V7w1jTCwM), or directly on https://t.co/RHYtMy9aev! 🙏

[C-Zero @C0scan]

Season 1 is on the drawing board, and you get a say. 🌱

Reply with the one thing you'd add to c0:
a) community verifiers
b) guided project onboarding
c) a retirement API for brands
d) something else (tell us)

The best replies go straight into the roadmap.

[C-Zero @C0scan]

Net zero, on-chain. 🌱

1. Log your footprint: electricity, driving, flights, diesel
2. Retire the same amount of tCO2e
3. Watch "Net zero on c0" light up on your dashboard

A testnet run for now, so the flow is proven before it counts.

https://t.co/w4UwVy5Ro3

[C-Zero @C0scan]

Speaks EVM. 🌱

c0 Testnet runs standard JSON-RPC, so viem, ethers, wagmi and MetaMask work out of the box. tCO2e is an ERC-20 with 3 decimals: 1 token = 1 tonne, 1 unit = 1 kg.

RPC: https://t.co/Y8MXLx39FV
Chain ID: 49198

Builders, come break things.

[C-Zero @C0scan]

Season 0 so far 🌱

70,000+ blocks, one every 2 seconds
16 MRV records settled by the oracle
8 retirements, 235 t of test credits retired

Small numbers, all public, each one linked to a tx. Help us grow them: claim, record, retire.

https://t.co/w4UwVy5Ro3

[C-Zero @C0scan]

Retire it. Share it. 🌱

Every retirement on c0 burns the tCO2e and creates a public certificate with its own link: who retired, how much, on whose behalf, in which block.

Retire a test tonne and drop your certificate below. We'll repost the first ones.

https://t.co/w4UwVy6pdB

[C-Zero @C0scan]

gm from the c0 ledger 🌱

Faucet's open, blocks every 2 seconds, oracle awake.

What are you recording today:
a commute, a flight, or a whole project?

https://t.co/hFBi5decKE

[C-Zero @C0scan]

Checked in two blocks. 🌱

Every record on c0 goes to the MRV oracle. About 4 seconds later, its decision is settled on-chain as a signed transaction.

Over the plausibility cap? Flagged.
Evidence already claimed? Flagged.

See every decision: https://t.co/vVnRTH0trO

[C-Zero @C0scan]

A token with a job. 🌱

What $C0 is planned for on c0:
→ vote on activity factors and oracle rules
→ stake to run an MRV verifier
→ pay registry fees on mainnet

Roadmap items, subject to change. The testnet stays free, with or without $C0.

https://t.co/sNquCSDFlt