Guides · 119
Guides
Plain-language reporting on Circle's Arc: what the chain is, what each category looks like now that mainnet is live, and what companies have actually confirmed.
Arc block explorers and analytics tools: what tracks the chain, and how well
Block explorers and analytics tracking Circle's Arc — testnet.arcscan.app, DefiLlama, Elliptic, Chainalysis and more — status as of 2 Sep 2026.
9 min read →Bridges & OnrampsArc bridges and onramps: what's confirmed, what's testnet, what's just named — or gone inactive
Status tracker for USDC bridges and onramps connecting to Arc — CCTP, Circle Gateway, and named cross-chain protocols, confirmed as of 2 Sep 2026.
9 min read →Exchanges & TradingArc DEXs compared: AMMs, aggregators, and what "live" means on 16 Sep
A status comparison of DEXs and trading venues on Circle's Arc — what's testnet, what's announced, and how to read the difference now mainnet is live.
9 min read →Developer InfrastructureArc infrastructure providers: RPC, indexers, oracles, and wallet infra compared
RPC, node, indexer, oracle, and wallet-infra providers building for Arc — what's confirmed, what's testnet-only, as of 2 Sep 2026. Circle's Arc.
10 min read →Launchpads, NFT & MemeArc launchpads status tracker: what's shipped, what's PR, what's testnet
Status tracker for token launchpads building on Arc — ARCLaunch, uarc.me, AstraPump, and TrustSwap Launchpad, confirmed as of 2 Sep 2026. Circle's Arc.
8 min read →StatusArc mainnet launch partners: the full list
Every named partner from Circle's 5 August 2026 Arc mainnet announcement, grouped by function, with status confirmed as of 2 September 2026. Circle's Arc.
8 min read →Payments & PayoutsArc payment APIs compared: what to test now mainnet is live
What to evaluate in a USDC settlement API on Circle's Arc — webhooks, idempotency, sandboxes, SDK coverage — and what to test now mainnet is live.
9 min read →Developer InfrastructureArc RPC providers compared: public vs. private endpoints on Arc mainnet
Circle names Alchemy, Blockdaemon, dRPC and QuickNode as Arc RPC providers. GetBlock and Chainstack also confirm — status as of 2 Sep 2026. Circle's Arc.
9 min read →Wallets & CustodyArc wallet support levels: what "supports Arc" actually means, per wallet
Which wallets support Arc, and at what level — EVM chain-add vs. first-class integration, confirmed as of 2 Sep 2026. Status, not rankings.
9 min read →StatusArc's ecosystem, by the numbers
A dated tracker of Built on Arc's directory size, live-status count, and category breakdown, alongside stablecoin market context, as of 2 September 2026.
5 min read →Wallets & CustodyCustody providers and Arc: qualified custody, MPC, and validator relationships compared
Institutional custody providers named in connection with Circle's Arc — confirmed relationships, validator seats and what's unverified, as of 2 Sep 2026.
9 min read →Developer InfrastructureOracles on Arc compared: what's actually live, feed by feed
All five oracle networks Circle names for Arc — Chainlink, Chronicle, Pyth, RedStone, Stork — confirmed status as of 2 Sep 2026, feed by feed.
8 min read →Payments & PayoutsUSDC payment providers on Arc, compared by criteria
How to evaluate USDC payment gateway providers building toward Arc — custody model, settlement, coverage, fees, and compliance — as of 2 Sep 2026.
9 min read →StatusWhat's actually live on Arc mainnet
A dated status log of what is live, testnet, announced or inactive on Circle's Arc blockchain, updated from mainnet day, 16 September 2026 — chain ID 5042, RPC and explorer included.
7 min read →StatusCircle's Arc grant recipients, confirmed
The Circle Developer Grants recipients on Arc that reporting confirms, with every metric attributed to its source — Circle publishes no official list.
9 min read →Launchpads, NFT & MemeNFT and meme projects on Arc: what has a public record, and what doesn't
A status check on NFT and meme projects naming themselves as building on Arc — most have thin or no public record as of 2 Sep 2026. Circle's Arc.
8 min read →Payments & PayoutsStablecoin payouts on Arc: mass payments, contractors, and creators
How to evaluate stablecoin payout providers on Circle's Arc for mass payments, contractor and creator pay — batch vs streaming, KYC, corridor coverage.
9 min read →Payments & PayoutsArc payment corridors in Africa — what's actually confirmed
The confirmed Circle Developer Grants cohort building African stablecoin corridors, and what a corridor actually needs to work, as of 2 Sep 2026.
6 min read →Payments & PayoutsArc payment corridors in Latin America — what's actually confirmed
dLocal, EBANX, BTG Pactual, Bitso, and how Pix, SPEI, and Argentina's rails actually work — what's confirmed for Arc, as of 2 Sep 2026. Circle's Arc.
6 min read →Compliance & AnalyticsCompliance and Travel Rule providers on Arc — what's confirmed and what isn't
Travel Rule, sanctions screening, and KYT on Circle's Arc chain — Chainalysis, Elliptic and TRM Labs named in Circle's own docs, as of 2 Sep 2026.
6 min read →Developer InfrastructureIndexers and data providers for Arc, mapped
Envio, Goldsky, The Graph, thirdweb and Zerion document Arc data support. Dune, Covalent and Ponder don't, as of 2 Sep 2026. Here's the landscape.
7 min read →Developer InfrastructureMapping the Arc developer stack: who provides what
RPC, indexing, wallets, account abstraction, oracles, bridging and monitoring for Circle's Arc — mapped against what Arc's own docs actually verify.
8 min read →Developer InfrastructureAccount abstraction on Arc, and what it adds on top of USDC gas
Gas on Arc is already USDC. Here's what ERC-4337 smart accounts and paymasters actually add on top, and which providers document Arc support. Circle's Arc.
7 min read →Developer InfrastructureAgentic payments on Arc, and where the infrastructure actually stands
Arc has testnet-live agent-identity and job-settlement standards. Tempo already shipped a machine-payments protocol on mainnet. Here's the gap.
7 min read →Compliance & AnalyticsSecurity and monitoring providers for Arc, confirmed so far
Chainalysis, Elliptic and TRM Labs document Arc compliance support. Runtime monitoring is thinner and unconfirmed; custody has moved to Wallets & Custody.
7 min read →ArcPunks on Arc: here's what's verifiable
What's confirmed about ArcPunks on Arc as of 2 Sep 2026 — sites, mint date, team, contracts — and what isn't. Evidence, not a verdict.
6 min read →Stablecoins & Tokenized AssetsArcTreasury (arctreasury.biz): an Unverified claim
ArcTreasury.biz advertises a T-bill-backed USDC/EURC vault on Arc. Here's exactly what could and couldn't be confirmed as of 2 Sep 2026.
8 min read →Launchpads, NFT & MemeCatBatHatFatRat on Arc: what's checkable right now
CatBatHatFatRat's site is live with a working PFP maker and waitlist, but team, docs and Arc contract are unconfirmed as of 2 Sep 2026.
6 min read →Exchanges & TradingLunex on Arc: reading the reported TVL carefully
Lunex's Arc StableSwap AMM: reported TVL, live status, and what's not yet confirmed as of 2 Sep 2026.
5 min read →Exchanges & TradingTower Exchange on Arc: what the Builder Spotlight confirms
Tower Exchange's Arc Builder Spotlight, live site, and unanswered questions, confirmed as of 2 Sep 2026.
5 min read →Launchpads, NFT & MemeARCLaunch on Arc: what's confirmed and what's still unverified
ARCLaunch's website, PR footprint, and product status on Arc, checked against public sources as of 2 Sep 2026.
5 min read →Exchanges & TradingArcSwap on Arc: its own domain no longer says so
ArcSwap's arcswap.net now redirects elsewhere. What's verifiable about its Arc status as of 2 Sep 2026.
4 min read →EntityArcWorld on Arc: one developer's app suite, not a directory
ArcWorld is one developer's app suite on Arc testnet, not a directory. Confirmed as of 2 Sep 2026.
5 min read →Launchpads, NFT & MemeAstraPump on Arc: no independent site was found
AstraPump is named in Arc ecosystem roundups, but no independent official website was found as of 2 Sep 2026.
4 min read →Developer InfrastructureHinkal on Arc: a real track record — and a real exploit
Hinkal's multi-chain history, its Arc testnet listing, and a 2026 exploit — confirmed as of 2 Sep 2026.
6 min read →EntityOrixa on Arc: a live testnet site with a thin trail behind it
Orixa's NFT launchpad claims for Arc, checked against its own site and testnet status, 2 Sep 2026.
4 min read →Exchanges & TradingRadar DEX on Arc: tracing the ArcDEXScan rebrand
Radar DEX (formerly ArcDEXScan): what's live, what's rebranded, and what's still unverified as of 2 Sep 2026.
5 min read →Launchpads, NFT & Memeuarc on Arc: what the site shows and what it doesn't
What uarc.me shows publicly about its Arc launchpad, and what remains unconfirmed as of 2 Sep 2026.
4 min read →Developer InfrastructureAlchemy on Arc: confirmed RPC support, scoped to testnet
Alchemy publishes a dedicated Arc testnet RPC page and a partnership post via Arc's own channel. Confirmed, testnet-only, as of 2 Sep 2026. Circle's Arc.
7 min read →Banks & EnterprisesBlackRock on Arc — founding validator status, explained
BlackRock is a confirmed founding validator on Circle's Arc. What that role means, what it doesn't, and why this page stops short of BUIDL's returns.
6 min read →Compliance & AnalyticsChainalysis and Arc: named in Circle's own compliance documentation
Chainalysis is named in Circle's official Arc compliance-vendor documentation as of 2 Sep 2026 — what that confirms, and what it doesn't.
7 min read →Developer InfrastructureChainlink on Arc: what's confirmed about the oracle relationship
Chainlink's relationship to Circle's Arc, confirmed two ways as of 2 Sep 2026 — what holds at the network level and what doesn't yet, feed by feed.
8 min read →Developer InfrastructureCrossmint on Arc — what's confirmed
Crossmint has a named partnership on Circle's Arc, a Circle Ventures investment and day-one testnet support. What's confirmed and what isn't, 2 Sep 2026.
6 min read →Developer InfrastructuredRPC on Arc: confirmed testnet endpoint, archive access, tiered pricing
dRPC publishes a specific Arc testnet endpoint with chain ID, archive-node access, and WebSocket support. Status confirmed as of 2 Sep 2026. Circle's Arc.
7 min read →Developer InfrastructureDynamic's relationship to Arc, confirmed
Circle's own developer docs publish a tutorial using Dynamic as a wallet signer on Arc Testnet. Here's what's confirmed, and what isn't, as of 2 Sep 2026.
6 min read →Compliance & AnalyticsElliptic on Arc: confirmed compliance analytics, testnet-scoped
Elliptic confirmed Arc testnet blockchain analytics on 28 Oct 2025. What's actually confirmed, what's testnet-only, as of 2 Sep 2026. Circle's Arc.
7 min read →Developer InfrastructureIs Privy integrated with Arc?
Privy is named in Circle's official Arc account-abstraction documentation as of 2 Sep 2026. What that confirms, and what it doesn't. Circle's Arc.
5 min read →Payments & PayoutsMoneyGram on Arc — a validator seat, not (yet) a product
MoneyGram is a founding validator on Circle's Arc, but its live stablecoin MGUSD runs on Stellar, and it's also a Tempo anchor validator. What's confirmed.
6 min read →Developer InfrastructureQuickNode on Arc: the best-documented infrastructure relationship in the ecosystem
QuickNode publishes full Arc blockchain API docs, a dedicated chain page and a dated partnership post. The most concretely confirmed name in this cluster.
8 min read →Developer InfrastructureRedStone and Arc: named in Circle's own oracle documentation
RedStone is named in Circle's official Arc oracle documentation as of 2 Sep 2026. Here's what that listing does and doesn't confirm.
7 min read →Banks & EnterprisesVisa on Arc — validator and settlement network, two separate facts
Visa is a founding validator on Circle's Arc and separately added Arc to its stablecoin settlement network in April 2026. Confirmed as of 2 Sep 2026.
6 min read →Bridges & OnrampsAcross Protocol and Arc: named in commentary, not confirmed as a bridge
Across has written publicly about Circle's Arc as part of the "stablechain" landscape but has no confirmed bridge integration for Arc as of 2 Sep 2026.
7 min read →Bridges & OnrampsAxelar and Arc: Circle acquired the team, not confirmed to route to the chain
Circle acquired Axelar's core dev team, Interop Labs — a corporate deal, not confirmation Axelar's protocol routes to Circle's Arc. As of 2 Sep 2026.
8 min read →Wallets & CustodyBitGo and Arc: no confirmed relationship as of 2 Sep 2026
BitGo has no verifiable, dated relationship to Arc as of 2 Sep 2026, despite being a major institutional custodian. Here's what was checked. Circle's Arc.
7 min read →Developer InfrastructureCloudflare and Arc — two different stories that get conflated
Cloudflare's Web3 Gateway has no confirmed Arc blockchain listing. Its separate stablecoin story is x402 agentic payments with USDC — not Arc-specific.
6 min read →Wallets & CustodyCopper and Arc: what's actually confirmed, and what isn't
Copper's confirmed relationship is a general Circle-USDC partnership from April 2025 that does not name Circle's Arc. Exactly what is and isn't confirmed.
7 min read →Banks & EnterprisesDTCC on Arc — what the tokenization integration actually covers
DTCC is a founding validator on Circle's Arc with a named tokenization integration targeted for H2 2027. What DTCC is, and what's confirmed, 2 Sep 2026.
7 min read →Wallets & CustodyFireblocks on Arc: what institutional custody support actually confirms
Fireblocks' confirmed relationship to Arc, and what MPC custody support means for an institution versus an individual, as of 2 Sep 2026. Circle's Arc.
8 min read →Banks & EnterprisesGoldman Sachs and Arc — a testnet trial, not a validator seat
Goldman Sachs is not a founding validator on Circle's Arc. It signed up to trial Arc's testnet in Oct 2025. What's confirmed as of 2 Sep 2026.
5 min read →Banks & EnterprisesHSBC and Arc — not a founding validator, but named early
HSBC is not among the Arc blockchain's 11 founding validators. It was named, with an exploratory quote, in Circle's Oct 2025 testnet launch.
5 min read →Bridges & OnrampsLayerZero and Arc: no confirmed deployment as of 2 Sep 2026
No LayerZero integration, deployed endpoint or documentation for Circle's Arc was found as of 2 Sep 2026. What was checked, and what's confirmed instead.
7 min read →Banks & EnterprisesMastercard on Arc, while also betting on Tempo
Mastercard is a founding validator on Circle's Arc and, via its $1.8bn BVNK acquisition, a Tempo testnet participant. What that hedge means.
6 min read →Banks & EnterprisesStandard Chartered on Arc — validator, plus a separate USDC milestone
Standard Chartered is a founding validator on Circle's Arc, exploring custody and settlement. A separate July 2026 USDC milestone is not Arc-specific.
6 min read →Arc vs Tempo for builders: a live chain against a dated one
Arc vs Tempo compared for payments builders — mainnet status, fee model, EVM tooling, distribution and validator cohorts, as of 2 Sep 2026. Circle's Arc.
10 min read →ComparisonUSDC vs EURC on Arc: the settlement-currency decision for a business
How a business should decide between settling in USDC or EURC on Circle's Arc — cost location, customer location, liquidity depth and reporting currency.
6 min read →ComparisonArc vs Base for builders: an L1 issuer bet against a live Coinbase L2
Arc vs Base compared for payments builders — gas token, sequencer status, USDC support and maturity, as of 2 Sep 2026. Not a memecoin guide. Circle's Arc.
9 min read →ComparisonArc vs Codex — a chain compared against a payments layer, not another chain
Circle's Arc vs Codex, as of 2 Sep 2026 — Codex isn't a competing chain, it's a stablecoin FX and payments platform built on Ethereum, Solana and Tron.
8 min read →ComparisonArc vs Ethereum L2s for stablecoins: an L1's assurances against a fragmented rollup landscape
Circle's Arc vs Ethereum L2s — Base, Arbitrum, Optimism, Polygon — compared on settlement assurance, gas token, sequencer risk and liquidity splits.
10 min read →ComparisonArc vs Plasma for builders: two stablecoin L1s, two different fee philosophies
Circle's Arc vs Plasma compared for payments builders — architecture, zero-fee USDT transfers vs USDC-native gas, validator model and status, 2 Sep 2026.
9 min read →ComparisonArc vs Solana for payments: switching SVM for EVM, and what you'd give up
Arc vs Solana compared for payments builders — stablecoin depth, fee model, SVM vs EVM tooling, and named payment partners, as of 2 Sep 2026. Circle's Arc.
9 min read →ComparisonArc vs Tron for stablecoin payments: incumbent USDT volume against a permissioned USDC chain
Circle's Arc vs Tron compared for stablecoin payments builders — USDT volume, the USDC-on-Tron history, fee model and validator posture, 2 Sep 2026.
9 min read →ComparisonStablecoin chains compared, 2026: who's live, who isn't, and whether the market is big enough for all of them
Circle's Arc, Tempo, Codex and Plasma compared — snapshot from 2 Sep 2026; Arc has since launched mainnet (16 Sep). Is volume enough for this many chains?
11 min read →Arc's founding validators, explained
The 11 institutions named as Arc's founding validators, what a permissioned validator set means, and the open questions Circle hasn't answered.
8 min read →ExplainerEvery project building on Arc
A status-tracked directory of projects building on Circle's Arc blockchain, web3-native and web2 fintech, sorted by what's actually live.
8 min read →Payments & PayoutsHow to accept USDC payments on Arc: the decision path
The real decision path for accepting USDC on Circle's Arc — hosted checkout vs API vs self-custody, settlement, refunds, chargebacks and reconciliation.
9 min read →Payments & PayoutsStablecoin treasury management on Arc: the operational questions
Operational stablecoin treasury on Circle's Arc — holding, moving, converting, reconciling and custody structure. Yield and returns are out of scope.
9 min read →ExplainerWhich Arc? Circle's Arc blockchain vs the ARC token, Aave Arc, Arc Raiders and Azure Arc
At least six unrelated things are called Arc. This is which is which — Circle's Arc blockchain, the ARC token, Aave Arc, Arc Raiders, Azure Arc and the browser.
6 min read →ExplainerWho is building on Arc from Africa
Africa-founded fintechs in Circle's Arc grant cohort — Blockradar, Kolan, Myaza, Payrit, Flezpay, SFx Money — and the corridor volume behind the headlines.
9 min read →Launchpads, NFT & MemeLaunching a Token on Arc: Your Options
Three routes to launching a token on Arc — a guided launch flow, a launchpad, or Uniswap directly. What each costs and what each locks.
7 min read →ExplainerArc's ecosystem, mapped by category
Built on Arc's ten directory categories mapped against Circle's own 19 partner-page filter tags, and where the two taxonomies don't overlap.
8 min read →ExplainerHow Circle's Developer Grants program works
How Circle's Developer Grants program for Arc works — application process, milestone-based USDC funding, focus areas, and eligibility. Circle's Arc.
5 min read →ExplainerHow projects actually get listed by Circle
There is no public submission path onto the Arc ecosystem page. Here's how projects actually get named, and where the taxonomy has no room for them.
5 min read →ExplainerHow to read an Arc project entry
What Built on Arc's five fields and verification block actually mean, and how to check any entry against the primary source yourself.
7 min read →ExplainerWho is building on Arc from LatAm and Asia
Which LatAm and Asian institutions have a confirmed connection to Circle's Arc as of 2 September 2026 — and which reported names don't hold up to a check.
8 min read →MethodHow we decide if a project is live on Arc (Circle's Arc)
Every status on Built on Arc carries a source, a note and a date. Here is the evidence bar for live, testnet, announced and inactive.
4 min read →BuildersShipping a payment flow on Arc (Circle's Arc)
Onramp, wallet, settlement and compliance: the stack payment teams are actually assembling on Arc, and where the gaps still are.
8 min read →SafetySpotting Arc lookalikes and fake tokens (Circle's Arc)
There is no Arc token for sale. The patterns behind the impersonation sites we have flagged, and how to check a contract address yourself.
5 min read →PrimerWhat Arc is, and what it is not (Circle's Arc)
Circle's stablecoin Layer-1 explained in plain terms: validators, gas paid in USDC, and what mainnet on 16 September 2026 actually changes.
6 min read →Payments & PayoutsCross-border remittances on Arc: corridor economics and last-mile cash-out
How stablecoin remittance corridors actually work on Arc — where costs sit, last-mile cash-out, and receive-side licensing, as of 2 Sep 2026. Circle's Arc.
6 min read →Stablecoins & Tokenized AssetsEURC on Arc: what it is, MiCA status, and current availability
What EURC is, its confirmed MiCA compliance status, and its current availability on Arc testnet as of 2 September 2026. Circle's Arc.
6 min read →Payments & PayoutsRecurring payments in USDC on Arc: subscriptions without a card mandate
How USDC subscription payments work on Arc without card mandates — allowances, pull vs push, session keys, and dunning without card retries. Circle's Arc.
6 min read →Exchanges & TradingStablecoin FX on Arc: where the spread actually sits
How USDC to EURC and local-currency FX works on Arc — who quotes it, where the spread sits, and AMM vs OTC vs provider conversion compared. Circle's Arc.
6 min read →Payments & PayoutsStablecoin payroll on Arc: employees, contractors, and the tax question
Paying payroll in USDC on Arc — the employee vs contractor distinction, tax withholding (get professional advice), pay-date FX, and opt-in setup.
6 min read →Payments & PayoutsUSDC invoicing on Arc: terms, FX timing, and proof of payment
How USDC invoicing on Arc differs from fiat invoicing — payment terms, FX at invoice vs settlement, partial payments, and proof of payment. Circle's Arc.
6 min read →Payments & PayoutsUSDC merchant checkout on Arc: the checkout surface
Designing a USDC checkout on Arc — wallet connect vs QR vs payment link, conversion friction, price display, and handling failed payments. Circle's Arc.
6 min read →Payments & PayoutsWhat Arc actually changes for a payment service provider
What a PSP or acquirer needs to know about Circle's Arc chain — settlement finality, float, and what to build vs buy, as of 2 Sep 2026.
5 min read →Payments & PayoutsWhat Arc changes for a remittance company's working capital
How stablecoin rails like Arc change pre-funding, corridor economics, and last-mile payout for money transfer operators, as of 2 Sep 2026. Circle's Arc.
5 min read →Payments & PayoutsAccounting for USDC on Arc — the questions a controller has to answer
What a controller needs to ask before holding or transacting in USDC on Arc — classification, gas expense, gain/loss, audit evidence. Not tax advice.
5 min read →Bridges & OnrampsBusiness USDC onramps and offramps for Arc — what to actually ask a provider
Bank rails, corporate KYB, limits, cut-off times and rate quoting for business USDC onramps and offramps on Circle's Arc mainnet.
5 min read →Payments & PayoutsCart to settlement in USDC — what an ecommerce merchant actually gets
Stablecoin checkout on Arc for online merchants — refunds without chargebacks, fraud posture, and price display, as of 2 Sep 2026.
5 min read →Payments & PayoutsMetered and seat-based SaaS billing in USDC — what actually changes
How stablecoin billing on Arc affects metered usage, seat-based subscriptions, dunning, proration, and revenue recognition, as of 2 Sep 2026.
5 min read →Payments & PayoutsStablecoin settlement, explained for a finance team that has never touched crypto
What settlement finality means on Circle's Arc, T+0 vs T+2, where counterparty risk moves to and what reconciliation looks like — for a CFO or controller.
7 min read →Payments & PayoutsWhat a marketplace has to solve that a single merchant doesn't
Split payments, seller onboarding, escrow, and multi-currency payout on a stablecoin rail like Arc — what changes for marketplaces, as of 2 Sep 2026.
5 min read →Payments & PayoutsStablecoin-funded card issuing and Arc — the stack, explained
How a stablecoin-funded card settles against a USDC balance — BIN sponsor, issuer-processor and program-manager roles — as of 2 Sep 2026.
5 min read →ExplainerArc's Asia partners — what's actually confirmed
SBI Group and Sumitomo Corporation are Arc founding validators. Upbit, PhotonPay, LianLian and Hecto Financial are named ecosystem partners.
6 min read →Stablecoins & Tokenized AssetsStablecoin issuers on Arc — the native pair, and who else is listed
USDC and EURC are the Arc blockchain's native stablecoin pair; Circle is both chain operator and gas-token issuer. Third-party issuers named 2 Sep 2026.
8 min read →ExplainerThe smart contract auditor landscape for teams shipping on Arc
No firm has a publicly sourced Arc-specific audit as of 2 Sep 2026. What an audit actually covers, what to ask a firm for, and why it isn't a guarantee.
7 min read →Developer InfrastructureWhat actually changes for builders when Arc moves from testnet to mainnet
What changed for builders when Arc mainnet went live on 16 Sep 2026: chain ID, RPC and explorer URLs, contract addresses and faucet USDC — a migration guide.
9 min read →Banks & EnterprisesWhy banks are on Arc, and what "on Arc" actually means for each one
Arc's 11 founding validators include Standard Chartered, SBI and Sumitomo. BNY, HSBC and Goldman Sachs are named separately — here's the difference.
8 min read →ExplainerArc and US stablecoin regulation — what the GENIUS Act actually says
The GENIUS Act, signed July 2025, sets a federal framework for payment stablecoins. What it covers, its timeline, and what remains unconfirmed.
9 min read →ExplainerArc's Middle East partners — what's actually confirmed
Emirates NBD and First Abu Dhabi Bank have a sourced Arc connection going back to testnet. Careem is ecosystem-listed. Checked as of 2 Sep 2026.
6 min read →ExplainerArc's permissioned validators, and what "decentralization" means on a chain built this way
Arc runs a permissioned validator set of named institutions. What's published about admission and rotation, what isn't, and both sides of the trade-off.
9 min read →ExplainerArc's post-quantum security roadmap, explained from Circle's own whitepaper
Circle's Arc post-quantum whitepaper names real cryptographic schemes and three migration phases. Here's what it actually says, dated 2 Sep 2026.
7 min read →ExplainerArc's privacy features for institutions, from Circle's own published material
Circle has published a technical whitepaper on the Arc blockchain's confidential-execution design. Its own docs still call the feature roadmap-only.
6 min read →ExplainerPrediction markets on Arc: a thin and mostly unconfirmed category
No live third-party prediction market on Arc as of 2 Sep 2026. Circle's own docs list a reference sample app, not a shipped product. Here's the record.
5 min read →ExplainerThe ARC token whitepaper, summarized without the price talk
What Circle's ARC token whitepaper says about governance, staking, supply and fee routing on the Arc blockchain — no price, value or return framing.
9 min read →Stablecoins & Tokenized AssetsTokenized assets on Arc — who issues and settles them, not what they yield
DTCC, BlackRock and tokenization infrastructure on Circle's Arc as of 2 Sep 2026 — who can issue, how settlement works, what "tokenized" changes legally.
8 min read →Developer InfrastructureWhat an Arc app kit actually is, and what it doesn't give you
Circle publishes a real App Kit for Arc — Send, Bridge, Swap, Unified Balance. Here's what it does, what it doesn't, and what third parties add.
6 min read →Developer InfrastructureWhat USDC-denominated gas means for a builder's budget
Dollar-denominated gas turns Arc cost into a forecastable opex line — but a wallet holding zero USDC can't transact at all. The budgeting angle.
6 min read →