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Private money on public chains, explained without the jargon wall. Start here.
What is Gloam?
Stablecoins are becoming how businesses and AI agents pay each other, and every one of those payments is public. Gloam makes them private, and lets the payer prove exactly what someone needs to see. Private by default, provable on demand.
It runs on Tempo and Robinhood Chain testnets. You put money into a shared vault (“shield”), pay privately inside it, and cash out with a real proof. Proofs are made on your device, and nobody else holds a key. See how Gloam compares.
Right now everything is testnet, play money, development proving keys. No real dollars.
Your walletPublicExplorer shows1,000 USDGAnyone can see the balance if they know the address.
Gloam vaultOnly youPrivateExplorer showsMoney sits in the shared vault. You hold a private note that proves it is yours.
After cash outPublic againExplorer shows400 USDGLeaving the vault is public on purpose: the money goes back to a wallet.
Try it (2 minutes)
Full walkthrough: Testnet guide.
- Open /app, connect a wallet, and pick a network (Robinhood Chain or Tempo).
- Shield a tiny amount of testnet funds.
- Move to pay a Gloam address or cash out. A proof made in your browser settles it, and the amount never shows.
Step 1ShieldDeposit into the Gloam vault. Your wallet balance goes down; the vault holds the asset.
Step 2Private sendSend inside the vault to a Gloam address. The sender and amount stay sealed.
Step 3Cash outMove money back to a public balance with a real proof, made in your browser.
What works today
- Connect wallet, portfolio, markets
- Send public balances (ETH and stock tokens on Robinhood Chain, stablecoins on Tempo)
- Shield into the vault (ETH and stock tokens on Robinhood Chain, PathUSD on Tempo)
- Private send to a Gloam address, or by claim link with an optional passphrase
- Cash out with a real zero-knowledge proof
- Proofs anyone can check at /verify, in their own browser
- Proof of funds and proof of payment: show you hold at least an amount, or that you were paid, without showing your balance
- Private payroll: upload a list and pay everyone from your private balance, once or on a schedule with a cap per run
- Payment requests: a link or QR that fills in what to pay you
- Transparency: what anyone can see about the vault, live from the chain
- Agent spending limits in the MCP server: caps per payment and per day, allowed payees, expiry
- The Gloam relay, which keeps your wallet off the record
- A backup of your private balance (with an optional passphrase) in Settings
What does not work yet
- Private trade: built, and switched off on-chain while we build a new engine for it. Stock tokens can already be held and sent privately
- On-chain price oracles (no Chainlink / Pyth / RedStone wired)
- Production proving keys and mainnet
- Ethereum expansion (roadmap)