Our mission · Built for builders

Built to make crypto work pay.

J4C is the crypto-native job marketplace where talent is global, payments are borderless, and trust is enforced by code. We exist so builders can ship without chasing invoices.

Zero custody of fundsAudited escrow contractsGlobal by default
01 · Mission

Crypto jobs shouldn’t need trust.
They need escrow.

For years, freelancers in the crypto ecosystem have been stuck between two bad options: ghost clients who disappear after delivery, or centralized platforms that hold your money hostage for 30 days and take a cut on the way out.

J4C replaces that whole stack with a single smart contract. Funds go in before work begins. Both parties sign. Money moves on-chain. That’s the entire product — and the entire mission.

  • Global reach, no gatekeepers
    Builders in Lagos, Buenos Aires, and Seoul get hired on the same terms as anyone in SF.
  • Zero chargebacks, ever
    Once funds land in escrow, nobody can claw them back. Delivery is the only release key.
  • Instant settlement, on-chain
    Average release-to-wallet time: 12 seconds. Your money is in your wallet before you close your laptop.
The J4C Promise
Our commitments to builders
Signed
Commitments
  • We will never hold your funds.
  • We will never take a cut before you're paid.
  • We will never hide a dispute behind a support ticket.
  • We will never ship a contract that isn't audited.
  • We will always open-source the escrow template.
Signed by
The J4C Team
Block
#19,284,102
By the numbers

Real work. Real payouts.

Every number below is verifiable on-chain. No vanity metrics, no inflated TAM slides — just contracts that settled.

2021
Founded
180+
Countries
$18M
Paid in escrow
5,200+
Freelancers
What we value

Four things we refuse to compromise on.

Global workforce

Hire from anywhere. Pay in ETH, USDC, or USDT. No banking restrictions, no FX tax, no borders.

Escrow protection

Funds locked in audited smart contracts until work is delivered and approved by both parties.

Instant payments

No 30-day invoices, no Net-60. Funds release on-chain the moment a milestone is signed off.

Crypto native

Built for Web3 teams: DAO treasuries, protocol devs, auditors, and indie studios already onboard.

Open principles
Signed, not spoken
Live
01→ Zero custody of funds
enforced
02→ On-chain transparency
enforced
03→ Open-source escrow template
enforced
04→ Neutral dispute resolution
enforced
Contract
0x1a4F…B21c
Network
Base Mainnet
02 · Principles

Open by default.
Custodial by never.

We wrote our principles the same way we wrote our contracts — short, verifiable, and impossible to walk back. If we ever violate one, the whole thing falls apart. So we don’t.

  • Transparent on-chain
    Every contract, every release, every dispute lives on a public ledger. No private databases.
  • Neutral dispute layer
    Disputes are reviewed by rotating moderators against on-chain artifacts. No platform bias.
  • Builders first, always
    When product decisions conflict, we ship the one that helps the freelancer keep shipping.
Get in touch

Questions? We’re easy to reach.

Partnerships, press, protocol integrations, or just saying hello — send a note to hello@j4c.app and a real human will reply.

Wallet-nativeAudited contracts180+ countries