ARC BUILDER HUB Arc Testnet

INDEPENDENT BUILDER · ARC TESTNET

USDC milestone
payments,
built on Arc.

A working settlement app. A payment you can verify. A practical guide for the next builder in Korea.

Open live app (opens in a new tab)View settlement evidence
Dongkyun SeoBuilder · Seoul, South Korea
CREATOR SETTLEMENTPRODUCT
Creator Settlement receipt showing a recorded 0.25 USDC milestone payment on Arc Testnet.
Actual product captureSep 1, 2026 · Testnet

FEATURED PROJECT

Arc Creator Settlement

Explore the source (opens in a new tab)
01

Define the work

Set the creator, USDC budget, and milestone terms.

02

Release by milestone

Approve submitted work and release payment from escrow.

03

Verify the payment

Open a public receipt linked to its Arc transaction.

01 / ONCHAIN EVIDENCE

One payment. An open record.

A recorded testnet settlement, with the receipt and original transaction side by side.

RECORDED TESTNET EXAMPLE

Released to creator

0.25 USDC

Milestone 1 · Contract accepted

Arc Creator Receipt Demo

Open public receipt (opens in a new tab)
PAYMENT RECORDArc Testnet
Recorded payment
Block
59,934,707
Network / chain ID
Arc Testnet / 5042002
View transaction on ArcScan (opens in a new tab)

Historical testnet evidence, not live volume. Open the receipt to check the transaction against Arc.

Contract & transaction details
Release transaction
0xdf8a7711dcbe31f07bc1f61d1492d07a0b490f45dd3b0566eaddce5deb6eb856
Escrow contract
0x22De463e9969b8Cef07b151b9cB5D8c5A16D81Df
Escrow factory
0x5b90cdfecf1c59596e0b6b9cae448a29c2774e32
Read the recorded evidence notes (opens in a new tab)

02 / COMMUNITY CONTRIBUTION

Build on Arc,
in Korean.

Implementation notes from building Creator Settlement, organized for Korean-speaking developers taking their first steps on Arc.

  • 01 Network & wallet setup
  • 02 Circle Wallet authorization
  • 03 Contract deployment & verification
Read the Korean guide (opens in a new tab)

03 / UNDER THE HOOD

What’s implemented.

Each integration has a purpose.
Each implementation has source to inspect.

Current scope: a testnet application. Shared applications and verified receipt indexing use Supabase when configured, with browser storage retained as an offline fallback.

04 / BUILD LOG

Progress, with a paper trail.

View commit history (opens in a new tab)

Recent updates

Implemented

  1. Drafts & wallet workspace

    Resume contract drafts and associate new jobs with the connected wallet.

    View change (opens in a new tab)

  2. Selected-wallet approvals

    Pass the selected browser wallet to escrow creation and contract actions.

    View change (opens in a new tab)

  3. Public settlement receipt

    A recorded 0.25 USDC milestone release, linked to its transaction.

    View evidence (opens in a new tab)

  4. Shared applications & receipt index

    Supabase-backed API and RLS schema added for cross-browser applications and public receipt discovery.

    View change (opens in a new tab)

LET’S MAKE THE NEXT BUILD BETTER

Tried the settlement flow?

Share a wallet issue, a confusing step, or an idea for the guide.

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