NEXVOID PAY / RUNNING ON ARC TESTNET / CIRCLE'S CHAIN
The multi-chain money hub built by NEXVOID on Arc — the blockchain where USDC itself pays the gas. Send USDC, EURC and cirBTC, swap USDC ↔ EURC in a live pool, bridge USDC between four testnets, pay many people at once, add liquidity — every move non-custodial, signed in your own wallet, plus an agent bar that works from a plain-words command.
Six operations up front — liquidity and the faucet sit one tap deeper in the index below. Everything signed by you, in your wallet.
Swap USDC ↔ EURC natively on Arc Testnet (USDC ⇄ EURC) through a live on-chain pool — a real quote from the pool before you sign, non-custodial.
Move USDC across Arc Testnet, Ethereum Sepolia, Base Sepolia and Arbitrum Sepolia using Circle's Cross-Chain Transfer Protocol (CCTP).
Send USDC, EURC or cirBTC to any address in a few clicks, on any of the four testnets — the page switches your wallet to the right chain.
Describe what you want in plain words — “bridge 10 USDC to Base Sepolia” — and the agent bar below fills in the real form for you to review and sign.
Pay many wallets in one go — paste a list of addresses and amounts, review the total, and send them one after another, each signed by you.
Every balance you hold — USDC, EURC and cirBTC across all four testnets — plus your recent Arc activity, in one dashboard.
Connect a browser wallet (MetaMask, Rabby, or any EVM wallet) to see your balance and send.
The send form lives right here. Connect your wallet above and it switches on instantly — recipient, amount, sent, all on this page.
You sign with your own MetaMask. Keys never leave your wallet.
Bridge via Circle CCTP with official on-chain attestation — USDC stays native on every chain.
Arc Testnet, Ethereum, Base and Arbitrum Sepolia in one place.
Pay any wallet on Arc Testnet — the fee comes out of the same USDC balance.
/02A QR code and a ready-to-send message asking for USDC.
/03What Arc is and how it works, in plain words — and what's next for NEXVOID Pay.
/04The step-by-step guide — wallet setup, safety rules and fixes.
Move native USDC between Arc, Ethereum Sepolia, Base Sepolia and Arbitrum Sepolia — Circle CCTP burn-and-mint, signed by you.
/06USDC, EURC and cirBTC balances and sends across all four testnets, from the same wallet.
/07Swap USDC ↔ EURC on Arc through a live on-chain pool — a real quote from the pool before you sign. cirBTC is send-only for now.
/08Add USDC + EURC to the ArcDex pool, hold ARC-LP, and withdraw your share any time — your position and pool share, read live.
/09Free test USDC and EURC from Circle — your address ready to copy, the faucet one tap away, for all four chains.
THE MISSION — NEXVOID
NEXVOID is building the payment layer for the onchain economy — starting with USDC on Arc, live today.
Connect your MetaMask and start sending, bridging and swapping tokens on Arc Testnet in seconds.
One thing Arc does differently: USDC is the gas. The same balance you send also pays your network fee — no second coin to buy, nothing extra to hold.
New to Arc? Here it is in plain words — what this chain is, why it works the way it does, and what actually happens when you press Send.
Arc is a blockchain built by Circle — the company behind USDC, the digital dollar. Most blockchains were built for trading coins. Arc was built for one job: moving dollar money fast, cheaply, and around the clock, for people, businesses, and even AI agents.
On most chains you need two coins: one to send, and a different one (like ETH or BNB) just to pay the network fee — called “gas”. On Arc, USDC is the gas token. The same balance you send also pays your fees. One coin, no second coin to buy, nothing extra to manage.
This page runs on Arc Testnet — a practice version of the chain. The USDC here is free from Circle's faucet and has no real-world value. No real money moves on this page, ever. It's the safe place to learn and to build before anything goes live.
You open this page inside your wallet (like MetaMask) and tap Connect. The page switches your wallet to Arc Testnet by itself. Your wallet stays yours — this page never sees your keys or recovery phrase.
The page asks the USDC contract on Arc, live, “how much does this wallet hold?” — and shows you the real number. Need test USDC? The faucet link sends you free test coins in seconds.
Type an address and an amount, tap Send, and approve it in your wallet. That approval is your signature — nothing moves without it. The tiny fee comes out of the same USDC balance.
Every payment gets a receipt page on the Arc explorer — who sent it, who got it, how much, which block. Arc settles in under a second, so the proof is there almost instantly, and anyone can check it.
A testnet is a copy of a blockchain made for practice and building. It works exactly like the real chain — same wallets, same addresses, same confirmations — but the coins on it are free and worthless. Builders test everything here first, so mistakes cost nothing.
From the USDC contract on Arc Testnet itself. When you connect, this page reads your wallet's balance straight from the chain — it's not stored on this page or on any server. Tap Refresh balance and it reads the chain again, live.
A normal USDC transfer on Arc costs a fraction of a cent, paid in USDC. The send form estimates the fee before you send, and your wallet shows the exact fee before you approve — no surprises, and if you reject the payment in your wallet, nothing is charged.
Send test USDC to any wallet on Arc Testnet. The fee comes out of the same USDC balance.
An ERC-20 transfer of testnet USDC. Fees are paid in USDC too — a transfer costs a fraction of a cent on Arc.
Move native USDC between testnets with Circle CCTP V2 — the same protocol Circle's App Kit bridge wraps. Your USDC is burned on the source chain and minted natively on the destination. No wrapped tokens, no third-party bridge, and every transaction is signed by you in your wallet.
USDC only — CCTP moves USDC (and not EURC or cirBTC). Fees: the source chain's normal gas, plus destination gas when you claim the mint. On Sepolia chains that gas is test ETH; on Arc it's USDC.
Burned already and closed the page? Paste the burn transaction hash — the page fetches Circle's attestation and lets you claim the mint. Nothing is lost: a CCTP burn can be claimed at any time.
Swap USDC ↔ EURC on Arc Testnet through a live on-chain pool — the quote is read from the pool itself, and the swap is executed by your own wallet. cirBTC can be sent on Arc, but no swap pool trades it yet, so cirBTC pairs stay off rather than faked.
Pick a pair and an amount — the quote below is the pool's real price, read live. Your Arc balances below are real too.
cirBTC has no swap pool on Arc Testnet yet — it can still be sent on Arc and Ethereum Sepolia, and USDC can be bridged to three other testnets. Everything runs live, signed by your own wallet.
One wallet, four testnets. Check balances and send tokens on Arc Testnet, Ethereum Sepolia, Base Sepolia and Arbitrum Sepolia — the page switches your wallet to the right chain when you send.
Balances are read straight from each chain's public RPC — you don't need to be connected to that chain to see them. Sending always asks your wallet to switch chain and confirm. Non-custodial: keys never leave your wallet.
Need test tokens? USDC and EURC for every chain above are free from the Circle faucet. Sepolia chains also need a little test ETH for gas — Arc doesn't: USDC pays the gas there.
Your whole testnet position in one view — USDC, EURC and cirBTC on Arc, Ethereum Sepolia, Base Sepolia and Arbitrum Sepolia, read live from each chain, plus your recent Arc activity.
Read straight from each chain's public RPC for your connected address. Nothing is stored — reload and it reads the chains again.
Your latest USDC transfers on Arc Testnet, read from the chain — sent and received.
Pay many wallets in one go. Paste a list — one payment per line — check the total, then send. Each payment is a normal transfer signed in your wallet, one confirmation per payment: there is no verified batch contract on Arc Testnet, so this page doesn't pretend otherwise.
Format per line: address, amount — a space instead of the comma works too. Lines starting with # are ignored.
Double-check every address — transfers can't be reversed, even on testnet. If you stop halfway, the payments already confirmed stay sent; the rest simply never leave.
Supply the USDC–EURC pool that powers swaps on Arc Testnet. Add both tokens, receive ARC-LP pool shares, and withdraw your slice whenever you want — your position is read live from the pool.
The same pool contract as the Swap page: 0x50bb26da53555585c606280435469bfb15cac4cf. Community testnet pool, unaudited — testnet tokens only, never real funds.
Pools take both tokens at the pool's current ratio — the EURC amount fills in automatically when you type USDC (you can adjust it). You'll approve each token once, then confirm the add.
Burn ARC-LP shares and get your slice of both tokens back at the pool's current ratio.
Providing liquidity on a testnet pool is for learning how AMMs work — prices move with every swap, so what you withdraw can differ from what you put in.
Free test USDC and EURC from Circle, for all four chains in this hub. The faucet itself lives on Circle's site — this page keeps your address ready so claiming takes seconds.
Three steps: copy your address, open the Circle faucet, pick the chain and paste. Tokens usually land in seconds. The faucet asks you to paste the address there — it never connects to this page, and neither page ever asks for your recovery phrase.
| ARC TESTNET | USDC and EURC from the Circle faucet — pick “Arc Testnet”. No separate gas token needed: USDC pays the gas on Arc. |
|---|---|
| ETHEREUM SEPOLIA | USDC and EURC from the Circle faucet — pick “Ethereum Sepolia”. Sends there also need a little test ETH for gas, from a Sepolia ETH faucet. |
| BASE SEPOLIA | USDC from the Circle faucet — pick “Base Sepolia”. Gas is test ETH. |
| ARBITRUM SEPOLIA | USDC from the Circle faucet — pick “Arbitrum Sepolia”. Gas is test ETH. |
Test tokens have no real-world value — never pay anyone for them. Claimed too recently? The faucet limits how often each address can claim; wait and try again.
Build a payment request — a QR code and a ready-to-send message.
Build a payment request for your address — a QR code the sender can scan, plus a ready-to-send message. No wallet connection needed to create one.
The addresses you pay often, saved for this session only.
Save the addresses you pay often, so you never paste the wrong one. Contacts live only while this page is open — close the page and they're gone.
Your recent USDC transfers, read straight from the chain — sent and received, not just from this page. Connect your wallet, then load them.
Payments you send from this page, this visit. Check any of them on the explorer for the permanent record.
The full guide, start to finish. Everything runs on Arc Testnet with free test USDC — no real money is involved at any step.
Install MetaMask (free) or another EVM wallet like Rabby. Create your wallet and save the recovery phrase on paper — never share it with anyone, and this page will never ask for it.
On a phone, a normal browser like Safari has no wallet inside it. Open MetaMask, tap its Browser tab, and open this page there. On desktop, just open it in a browser with the wallet extension installed.
Tap Connect wallet and approve. If you're on another network, NEXVOID Pay asks your wallet to add and switch to Arc Testnet (chain ID 5042002) automatically. The pill at the top turns green when you're connected.
Open the Circle faucet, pick Arc Testnet, paste your address, and request free test USDC. It usually lands in seconds. Tap Refresh balance to see it.
Paste the recipient's address (or pick a saved contact), enter an amount or tap a quick chip, check the estimated fee, and tap Send. Confirm in your wallet. Start with a small test — 0.10 USDC — the first time you pay a new address.
To get paid, tap Receive QR in your wallet card, or build a payment request with an amount and note. After any payment, open its explorer link to see it confirmed on chain — Arc settles in under a second.
The page opens in dark mode — the cinematic NEXVOID look — the first time you visit. Tap the ☾ / ☀ symbol at the top of the page, next to the Connect button: ☀ switches to light, ☾ switches back to dark. Once you tap it, your choice is remembered on this device and kept on later visits.
| “NO WALLET FOUND” | You're in a browser without a wallet. Open this page inside the MetaMask app browser, or install the MetaMask extension on desktop, then reload. |
|---|---|
| WRONG NETWORK | Tap “Switch to Arc Testnet” in the wallet card. If it still fails, add the network manually using the network details below. |
| BALANCE IS 0 | Get free test USDC from the Circle faucet — select Arc Testnet — then tap Refresh balance. |
| “INSUFFICIENT” ERROR | The fee comes out of the same USDC balance. Lower the amount slightly, or tap MAX, which leaves a small fee buffer automatically. |
| REJECTED IN WALLET | Nothing was sent and no fee was charged. Just try again and approve the confirmation. |
| BALANCE LOOKS STALE | Tap Refresh balance. The number is read live from the USDC contract each time. |
No. NEXVOID Pay runs only on Arc Testnet. The USDC is test money from Circle's free faucet — you can't buy anything real with it, and losing it costs nothing. It's for learning and building before anything goes live.
That's how Arc is built: USDC is the chain's native gas token, so the same balance you send also pays your fees. On most other chains you'd need a second coin (like ETH or BNB) just for fees — on Arc you don't.
Arc finality is under a second. Once you confirm in your wallet, the payment is settled and visible on the explorer almost immediately.
No — blockchain transfers can't be reversed, even on testnet. That's why the page warns you to double-check the address and suggests a small test send first.
One Arc quirk: USDC shows 18 decimals as the native gas balance and 6 decimals through its ERC-20 interface. It's the same money, two views. This page reads and sends through the ERC-20 interface (6 decimals).
A ready-made “pay me” package: a QR code encoding your address (and amount, if you set one) in the standard wallet format, plus a short message you can copy into any chat. The sender scans or pastes it and pays you on Arc Testnet.
Any EVM wallet with a built-in browser or extension — MetaMask and Rabby are the common ones. The page talks to the wallet through the standard provider interface.
Yes — the Bridge page moves native USDC between Arc Testnet, Ethereum Sepolia, Base Sepolia and Arbitrum Sepolia using Circle CCTP V2. It's three signed steps: burn on the source chain, Circle's attestation (standard finality can take ~15–20 minutes on Sepolia chains), then claim the mint on the destination chain. If you close the page mid-bridge, keep the burn transaction hash — the “Finish a bridge” box on the Bridge page completes it later. CCTP moves USDC only, not EURC or cirBTC.
USDC ↔ EURC, yes — live. The Swap page routes through the ArcDex AMM pool on Arc Testnet (a community pool, unaudited): it reads the pool's real price, shows your quote before you sign, and you confirm the swap in your wallet — 0.3% pool fee, priced by the pool's reserves. cirBTC has no swap pool on Arc Testnet yet, so cirBTC pairs stay off rather than faked — cirBTC can still be sent, and USDC can still be bridged.
It reads a plain-words command you type — like “send 5 USDC to 0x…” or “bridge 10 USDC to Base Sepolia” — and fills in the matching real form on the right page. It runs entirely in your browser (no server, no AI model, no keys), and it never signs anything: you always review the form and confirm in your wallet.
Connect, hold test USDC, and send with fee estimates, quick amounts, contacts, and on-chain activity.
QR payment requests with amounts and notes, so anyone can ask for USDC in one scan.
Native USDC between Arc, Ethereum Sepolia, Base Sepolia and Arbitrum Sepolia via Circle CCTP V2 — burn, Circle attestation, mint, all signed in your wallet.
USDC, EURC and cirBTC balances and sends across all four testnets, plus an agent command bar that fills the forms from a typed command.
USDC ↔ EURC through the ArcDex AMM pool on Arc Testnet — live quotes from the pool's reserves, signed in your wallet. cirBTC joins when a pool trades it.
One list, many recipients: paste addresses and amounts, check the total, and send them one after another — each one a normal transfer you sign.
Add USDC + EURC to the same ArcDex pool swaps use, hold ARC-LP shares, and withdraw your slice whenever you want.
Every balance across all four testnets plus recent Arc activity in one dashboard — and a faucet page that keeps your address ready for free test tokens.
The next build: an onchain passport that stamps every thing you ship on Arc. Explore. Build. Evolve — as a product.
The exact values this page uses, from Circle's Arc documentation. Add them manually in your wallet if the automatic switch doesn't work.
| NETWORK NAME | Arc Testnet |
|---|---|
| CHAIN ID | 5042002 (0x4cef52) |
| RPC URL | https://rpc.testnet.arc.io |
| CURRENCY / GAS | USDC — gas is paid in USDC, no separate gas token |
| USDC CONTRACT | 0x3600000000000000000000000000000000000000 |
| BLOCK EXPLORER | explorer.testnet.arc.io ↗ (also at testnet.arcscan.app ↗) |
| FAUCET | faucet.circle.com ↗ — select “Arc Testnet” |
| DOCS | docs.arc.io — RPC endpoints ↗ |
One Arc quirk worth knowing: USDC shows 18 decimals as the native gas balance and 6 decimals through its ERC-20 interface — it's the same money, two views. This page reads and sends through the ERC-20 interface (6 decimals).
The Bridge and Multi-chain pages use these networks and Circle's CCTP V2 contracts. Token addresses are Circle's published testnet deployments.
| ETHEREUM SEPOLIA | Chain ID 11155111 · CCTP domain 0 USDC 0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238 EURC 0x08210F9170F89Ab7658F0B5E3fF39b0E03C594D4 cirBTC 0x3a3fe695F684Bf9b9e43CF43C2b895Ea5e392bB3 Gas: test ETH · sepolia.etherscan.io ↗ |
|---|---|
| BASE SEPOLIA | Chain ID 84532 · CCTP domain 6 USDC 0x036CbD53842c5426634e7929541eC2318f3dCF7e Gas: test ETH · sepolia.basescan.org ↗ |
| ARBITRUM SEPOLIA | Chain ID 421614 · CCTP domain 3 USDC 0x75faf114eafb1BDbe2F0316DF893fd58CE46AA4d Gas: test ETH · sepolia.arbiscan.io ↗ |
| ARC TOKENS | EURC 0x89B50855Aa3bE2F677cD6303Cec089B5F319D72a (6 decimals) cirBTC 0xf0C4a4CE82A5746AbAAd9425360Ab04fbBA432BF (8 decimals) · CCTP domain 26 |
| SWAP POOL | ArcDex AMM (USDC/EURC) on Arc Testnet 0x50bb26da53555585c606280435469bfb15cac4cf Community testnet pool, unaudited — the Swap page reads its price and reserves live from the chain. |
| CCTP V2 (ALL 4 CHAINS) | TokenMessengerV2 0x8FE6B999Dc680CcFDD5Bf7EB0974218be2542DAA MessageTransmitterV2 0xE737e5cEBEEBa77EFE34D4aa090756590b1CE275 Attestations: Circle Iris sandbox API |
EURC and cirBTC are listed on the Multi-chain page only where this page carries a verified Circle contract for that chain (Arc and Ethereum Sepolia). On Base and Arbitrum Sepolia the hub sends USDC only — no contract is shown rather than an unverified one.