Sources
Every claim and data surface this site cites, so nobody has to take our word for it.
Wave evidence — Arc
- https://x.com/arc_ecolabs/status/2100188638470688917 (x)
- https://news.google.com/rss/articles/CBMid0FVX3lxTFB4Sy1LMThlM00wekNobGtLZXdhYlNwUTE4SEZaWlJQN2prWHM0ODFXSHpGUGtzSGwwbTQwVWlXQXEwUUJKdHoyVUl5cDVzbE1kV0lWNUN6ZXBCU0JsQ1dUQkQxNzExOURjQlZBNU9MMDBub1A4cDZR?oc=5 (news)
- https://news.google.com/rss/articles/CBMie0FVX3lxTE11a0swUnR6UTVVeldjbERhRnY5dFM4Z05nNVhZczh3dTE1a1NMdVNwTE5mek84djBySzJNdGJFWXY5VTB5T1NRVlNNZlQxdTd0ZnVvTHBRYnRLdXRGcGNIOFN1T19maGU5WWMxUmNnNWZVUDJTa19NY015WQ?oc=5 (news)
- https://news.google.com/rss/articles/CBMipwFBVV95cUxNYUI3d1M1cUF4bTJZQ0p6aW5pelphMTBXX25vekdVVFhiQlBhaWFjR3NreHNILTdtdU1PRXdJLUZzWTBuOXpBMTJ3bURQdF83MkNNMmpxcjRGMVlRRWVfcEZhMWVkUjZmeEx4QUlrVmc0OWx2bUlSdmpDbHh3dVlvVzlTWWZ6bVVKRmx2MXdsbzQ3Y0EzeDJlSnZjSVgxN0J5Yl9NN3BGYw?oc=5 (news)
- https://news.google.com/rss/articles/CBMiqgFBVV95cUxNR093ZGsxTlVBYzFQMURTOXcxV3llZTNnSkdkUGoxX2tjWnZkLVhvblJSNkExRXlmemdyNGFKS08xZmY0cmItV2lId3EtbnJYNXJVeHF4RjFqVlBwcFF1My1LcjBTVDZNdkFzR09VbkJSSGx6MUNlRUNaaXMwRWZhWHNmRUhBVkZpa3BZX193QkwwbHJTTjRFSW4tYW5yZVhqck1CY1VuOC0xdw?oc=5 (news)
- https://news.google.com/rss/articles/CBMicEFVX3lxTE9vRmQ1OW9qakFBRWJheUg4SE0tZjZNRFVBdFc1ODZPWXpXVFViYVhqLU03VVkxZWNKeWszazdvb3EyR21QbVRpSU1pSHdDTDNmanZ6alNtcDlabmxfZVBFTWw4NFdhd1l6cTJMbzFSMnY?oc=5 (news)
- https://www.circle.com/pressroom/circle-announces-founding-validator-cohort-and-major-integrations-for-arc-ahead-of-september-16-mainnet-launch (official)
“is on track for a public mainnet launch on September 16, 2026”
verified 2026-09-16T18:48:42+00:00 - https://www.arc.io/blog/arc-mainnet-goes-live-on-september-16-2026 (official)
“Arc Mainnet will go live on September 16, 2026.”
verified 2026-09-16T18:48:49+00:00
Claims
- Arc's official blog states mainnet goes live on September 16, 2026.
“Arc Mainnet will go live on September 16, 2026.”
· source - The launch post describes Arc fees as predictable and payable in stablecoins starting with USDC.
“predictable fees payable in stablecoins (starting with USDC)”
· source - Arc docs claim deterministic finality delivering irreversible settlement in under one second.
“Arc's deterministic finality delivers irreversible transaction settlement in under one second.”
· source - Arc docs say there are no confirmation windows or reorganization risk.
“There are no confirmation windows, no reorganization risk, and no probabilistic uncertainty.”
· source - Arc's gas-and-fees parameters page reflects testnet configuration and may change before mainnet.
“The parameters on this page reflect the current Arc Testnet configuration.”
· source - Arc mainnet uses chain ID 5042 with primary RPC https://rpc.mainnet.arc.io and additional providers.
“https://rpc.mainnet.arc.io”
· source - Arc native value uses 18 decimals and must not be truncated to the 6-decimal ERC-20 value when recording.
“Don't use the 6-decimal value when crediting or recording balances”
· source - Arc states Uniswap will be deployed for its September 2026 mainnet with v4 as the recommended starting point.
“Uniswap v4 is the recommended starting point for new integrations”
· source - Arc Portal lets users create agent wallets with spend limits and permissions.
“Users can create agent wallets directly in Arc Portal, set spend limits and permissions”
· source - Arc's base fee floor targets about $0.001 per ERC-20 transfer under normal conditions.
“The base fee floor targets approximately $0.001 per ERC-20 transfer under normal conditions.”
· source - Chainspect defines and tracks time to finality for blockchains.
“Time to Finality represents the duration required for a transaction to achieve finality within a blockchain network.”
· source - The T13 repo holds artifacts of a paper on LLM trading agents in production.
“What LLM Trading Agents Actually Do in Production”
· source - Transactions with maxFeePerGas below 20 Gwei are silently dropped by the Arc mempool.
“Transactions with maxFeePerGas lower than 20 Gwei are silently dropped by the mempool.”
· source - Arc block timestamps are non-decreasing and may repeat across blocks.
“Block timestamps are non-decreasing, not strictly increasing.”
· source - Transactions on Arc finalize on inclusion so offchain systems can act after one confirmation.
“Transactions finalize on inclusion; offchain systems can act after a single confirmation.”
· source