- Days to mainnet
- 1800h 00m
- Testnet chain ID
- 5042002
- Avg testnet fee
- $0.004
- Named validators
- 11
- ARC token
- Nonenot launched
Today's briefing · 04 Sept 2026 · 09:00 UTC
Arc Mainnet, T-minus 12: what actually happens on September 16
In twelve days, Arc's public mainnet opens — but "mainnet launch" is a phrase that hides more than it explains. Here is what concretely changes that day, what doesn't, and what to ignore.
12
days until the public mainnet
One lesson
Arc News
Latest coverage
From named publications · refreshed hourly
- The Defiant · AUG 21Circle Targets Sept. 16 for Arc Public Mainnet Launch
- The Crypto Times · AUG 18Uniswap to Bring DeFi Liquidity to Circle’s Arc Mainnet in September
- The Globe and Mail · AUG 17Circle Internet Group Bets on Arc as USDC Surges
- The Defiant · AUG 12Circle’s cirBTC Is Live on Ethereum but Has Only 40 BTC Outstanding
- Yahoo Finance · AUG 8Circle CEO Jeremy Allaire Says This Upcoming Blockchain Is a 'Bigger' Opportunity Than USDC as Company Sets Date for the Network's Launch
- Yahoo Finance · AUG 7Circle Internet Group (CRCL) Launches Arc As Its Growth Story Moves Beyond USDC
- Crypto Briefing · AUG 6Uniswap ranks as top DEX for stablecoin trading ahead of Arc launch
- Yahoo Finance · AUG 6What Is Arc? The Stablecoin Blockchain From USDC Issuer Circle
- Crowdfund Insider · AUG 6Circle Reveals Institutional Validators for Arc Blockchain Ahead of September Mainnet Debut
- Yahoo Finance · AUG 6$15.3T BlackRock Joins Visa and Mastercard to Validate Circle's Arc Blockchain: What's Next for CRCL
- Yahoo Finance · AUG 5Circle's Arc Names Its Founding Validators Ahead of Mainnet Release
- Incrypted · AUG 5Circle Reported USDC Growth and Mainnet Launch of Arc on September 16
Sources named · newest first
Learn
Start here
- 01What is Arc, from absolute zeroArc explained assuming you know nothing about crypto: a payment network built by the company behind the digital dollar, where fees are pennies and settlement is instant.
- 02What is USDC, simplyUSDC is a digital dollar: one token, one dollar, backed by reserves, moving over the internet. How it works, who is behind it, and why it is the money of the Arc network.
- 03Your first Arc walletSet up a wallet for the Arc network from scratch: what a wallet actually is, how to protect the recovery phrase, adding Arc, and trying it free on testnet.
- 04Gas on Arc: why it's dollarsEvery blockchain charges fees called gas. Arc is the first major network where gas is simply dollars — what gas is, why that matters, and what things cost.
- 05The five scams to know before you touch anythingBefore your first real transaction on Arc, learn the five scam patterns that catch newcomers: recovery-phrase theft, malicious signatures, fake tokens, fake support, urgency.
Countdown series
Earlier briefings
T-minus 18 · 29 Aug 2026
T−18
Arc Mainnet, T-minus 18: the validator list is the whole story
Eleven institutions are named as validators on a chain whose gas is a dollar stablecoin. That combination, not a token, is what makes Arc unusual.
T-minus 19 · 28 Aug 2026
T−19
Arc Mainnet, T-minus 19: what dollar-denominated gas changes for a normal user
Gas paid in USDC means fees you can read without a calculator. It also means one fewer asset you are forced to hold.
T-minus 20 · 27 Aug 2026
T−20
Arc Mainnet, T-minus 20: the fake ARC tokens are already trading
There is no ARC token. There are already contracts named ARC with liquidity, charts and Telegram groups.
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