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Stellar testnet · Soroban · Trustless Work

You name your price. The money is vaulted. The work gets paid.

Fixed prices. Earned trust. Guaranteed payment. One big project, split into tasks. Each one paid in USDC on Stellar, from its own escrow.

View the code on GitHub Watch the demo

6 open tasks 4 projects 285.00 USDC paid out to freelancers

01 · One big project, many experts

One project. Everyone takes the part they want.

Tasks with a budget. Freelancers pick one and name their price. The chosen one is paid in USDC, from an escrow funded before the work.

  1. BLOCK 01COMPANY

    Split

    One project, tasks with a budget each. Open to every freelancer.

    off-chain
  2. BLOCK 02FREELANCERS · COMPANY

    Apply

    Your price (up to the budget), a message, your skills. Score out of 100: history, ratings, skills. Price × 0. The company chooses.

    off-chain
  3. BLOCK 03COMPANY · SIGNATURE ×2

    Lock

    Freelancer chosen: one escrow per task, deployed and funded. Delivery opens once the money is there.

    deploy · fund
  4. BLOCK 04SIGNATURE ×3

    Deliver, release

    Delivery link signed on chain. Validate, rate 1 to 5, approve, release. No invoice, no chasing.

    deliver · approve · release
  • ESCROW CREATEDOrder tracking · 420.00 USDCtx cb12…a3c6
  • DIRECT PAYMENTLanding page · 285.00 USDCtx e165…d106
  • DELIVERYOrder tracking · 420.00 USDCtx 293f…2bc6
  • FUNDS LOCKEDOrder tracking · 420.00 USDCtx f761…169e
  • ESCROW CREATEDOrder tracking · 420.00 USDCtx cb12…a3c6
  • DIRECT PAYMENTLanding page · 285.00 USDCtx e165…d106
  • DELIVERYOrder tracking · 420.00 USDCtx 293f…2bc6
  • FUNDS LOCKEDOrder tracking · 420.00 USDCtx f761…169e

01 · One big project, many experts

One project, three experts, each at their own price.

Budget = the ceiling. Agreed price = what moves. « Up to » stays beside it.

TaskBudgetExpertAgreed price
Landing page up to 300 Léa 280 USDC
Freighter integration up to 500 Yanis 480 USDC
Dashboard up to 400 Nora 400 USDC
Freighter integration up to 500 Max 620 USDC over budget
  1. 01
    Pick the task you want.Any open task, any project.
  2. 02
    Propose a price, at most the budget.Over budget: refused.
  3. 03
    A score ranks. The price never enters it.score = 40 · paid history + 8 · avg rating + 20 · skills matchmax 100 · price × 0 · this company only
  4. 04
    The company chooses.« Choose » on every row. One paid delivery rated 3 or more: « Validated ».

02 · Sponsorship

A recognised freelancer sponsors a newcomer. The loop breaks.

  1. No reviews
  2. No missions
  3. Still no reviews
  • Follow who you work with
  • One hop only
  • Fake rings show nothing
  • A hint, never a verdict
  • Score and order unchanged
LéaNew account

Front-end dev, first mission on TaskVault.

Yanis recommends

“Worked with her twice. Clean, fast, reliable.”

03 · Security at the core

Nobody gets scammed, on either side.

TaskVault holds neither the money nor the truth. Every fact on Stellar, linked to stellar.expert.

  1. No account, no password

    SEP-53 message signed in Freighter. 5 min, single use. Nothing to steal.

    challenge · single use · expires 5:00

  2. We never touch your pay

    Every escrow action signed in your wallet. Server keys: the deposit only.

    task escrow keys held by TaskVault · 0

  3. Money locked before work

    One vault per task, funded once the freelancer is chosen. Neither side holds it.

    escrow · task 02 · 500.00 USDC locked

  4. Anti-cheat

    Transaction must match the plan. Replay refused. Delivery fingerprint on chain, full deliverable revealed once paid.

    replayed signature · tampered · sha256:9f3c… on chain

  5. Verified links

    Unknown domain: a warning before the click.

    github.com · free-gift.xyz unknown domain

  6. Review window

    7 days to validate or ask for changes, 2 times max. Silence pays nobody: then the freelancer can dispute.

    review · 7 days · 2 revisions max

  7. Disputes

    An arbiter settles on chain and can split the money.

    resolve · freelancer 70 % · company 30 %

  8. A deposit protects freelancers

    1 % of the budget, min 5 USDC, locked before listing. Ghost listing (14 days, nobody chosen): forfeited to the guarantee fund.

    deposit 12 USDC · no-show: guarantee fund

04 · Track Stellar Composed

Seven Stellar building blocks, one flow.

  1. FreighterIdentity + signature.
  2. Trustless WorkOne vault per task: lock, deliver, release, dispute.
  3. SorobanWhere the vaults live.
  4. USDC · CircleA stable dollar, no volatility.
  5. HorizonBalances, trustlines, payments.
  6. Stellar SDKBuild and send transactions.
  7. stellar.expertEvery transaction public.

Composed: one job per block, one payment flow.

05 · The money path

Four signatures, from deposit to payout.

  1. 01 · Company

    Deposit

    Freelancer chosen, vault funded.

    deploy + fund
  2. 02 · Freelancer

    Deliver

    Link + fingerprint on chain.

    milestone + link
  3. 03 · Company

    Validate

    Rate 1 to 5, release.

    approve + release
  4. 04 · Freelancer

    Paid

    USDC in the wallet, ~5 s, under a cent.

    ~5 s · < 1 ¢ fee

Every step signed in your own wallet, public on stellar.expert.

Network feefrom 0.00001 XLMbase fee per operation, Soroban calls add a resource fee
Finality~5 sone Stellar ledger
SettlementUSDCStellar testnet
IdentitySEP-53Freighter signature, zero passwords

Projects with open tasks

The live board: pick a task, name your price.

All projects

Discover TaskVault

Two minutes on the task board: a price, a vault, a release. Recorded for HackMeridian 2026.

Open on YouTube

Fixed prices. Earned trust. Guaranteed payment.

View the code on GitHub Watch the demo

Built for HackMeridian 2026 · track Stellar Composed · Stellar testnet