Pre-funded USDC milestones · Arc Mainnet
Work funded. Payment proven.
Funds are locked before work begins and released only when proof meets the agreed terms. No promises. Just verifiable execution.
Arc at a glance
Money that carries a condition
Stablecoins solved how digital dollars move. This is what a digital dollar does when it stays committed until a milestone is submitted and accepted.
01
0% platform fee
USDC goes straight through
02
One vault per milestone
Isolated, auditable accounting
03
<1s settlement finality
Arc mainnet · chain 5042
04
Rule-bound vault
No operator keys, no seizure
Core guarantee
One rule for each side, written before work starts
The contractor never starts unfunded. The client never pays unproven. Both promises live in the same vault, and neither side can move the money alone.
Do not start work until the money exists.
Open the shared link, read the vault balance onchain, and start only when the state says FUNDED. No unfunded milestones, no unpaid assessments.
Do not release money until the work is submitted.
The client commits the amount without paying it. The vault holds it, the contractor can prove it, and release happens only against a submitted deliverable — or by a review window the client pre-agreed to.
Release follows agreed rules, not promises.
Client approval releases instantly. If the client goes silent after a valid submission, the pre-agreed review window ends in a deterministic release. If the contractor never submits, the client reclaims after the deadline.
A disagreement cannot silently drain the vault.
Raising a dispute pauses the timeout release. In V1 a dispute ends only by client approval or a bilateral mutual cancel. No administrator, no platform key, no seizure function exists in the contract.
Process
Why Commit?
One primitive, three irreversible steps. Money is committed, work is proven, and settlement is executed by code — every step a verifiable transaction on Arc.
- 01
Commit
FUNDEDThe client deploys a milestone vault and moves the exact USDC amount into it. Immutable amount, parties and deadlines.
- 02
Prove
SUBMITTEDThe contractor submits the deliverable URL and its hash onchain. The review clock starts, deterministic from the chain timestamp.
- 03
Settle
SETTLEDApproval or review-window timeout releases USDC to the contractor. No submission before the deadline refunds the client.
Honest boundaries
What V1 does not promise
Commit is narrow on purpose. These limits are shown to both parties before funding — never buried.
Work quality stays human
The vault guarantees funding and settlement rules, not that the deliverable is objectively good.
No third-party arbitration
A dispute freezes the timeout. V1 resolves it by approval or mutual cancel, nothing else.
Not a licensed escrow
Descriptive language only: pre-funded milestone, conditional payment, rule-bound vault.
Capability matrix
Built for work that already has a client
No marketplace, no discovery, no reputation game. Just the payment commitment around an agreement you already made.
Payment assurance, not just transfers
The committed amount is provably locked before work begins.
Deterministic exits
Review timeout for the contractor, deadline refund for the client.
Rules before conflict
Amount, parties, deadlines and review window are immutably fixed at creation.
No custody by us
Funds live in a contract vault controlled only by encoded rules.
Arc
USDC-native gas, sub-second finality, EVM equivalent.
Circle USDC
Settles through the native ERC-20 interface on Arc.
Foundry / EVM
74 contract tests, no upgradeability, no admin backdoor.
Wallets
MetaMask, Rabby, Coinbase Wallet, Rainbow.
Landing page build — February
Client
funds committed before work
Contractor
evidence submitted onchain
Settlement
approved and released
Spotlight
Every state change leaves a verifiable transaction.
Funding, submission, revision, dispute, release and refunds are all onchain events with a transaction hash, visible from the shared milestone link. The UI reads the vault directly — there is no backend that can lie about the money.
Community
Build in the open
The contract, the app and the deployment evidence are published for the Arc microgrant submission. Follow along or reach out.