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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 Robinhood Chain, Tempo, Base and Ethereum mainnet, and on four testnets: Robinhood Chain testnet, Tempo Moderato, Base Sepolia and Ethereum Sepolia. 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.

Mainnet is beta software. It uses the final keys from a 13-contributor trusted setup, and beta deposit limits cap what goes in. The code was reviewed internally before launch, and Kann Audits has since reviewed the vault contracts (report, 1 November 2026) and found no Critical, High or Medium issues. Deposits and private payments are free, and cashing out costs 0.25%. The Robinhood Chain and Tempo testnets keep development proving keys; Base Sepolia and Ethereum Sepolia run the final keys. Details: Networks.

One picture
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)

Want to practice first? Use the free testnet: Practice on testnet.

  1. Open /app, connect a wallet, and pick a network: a mainnet (Robinhood Chain, Tempo, Base and Ethereum), or a testnet to practice first.
  2. Shield a small amount.
  3. Move to pay a Gloam address or cash out. A proof made in your browser settles it, and the amount never shows.
What those buttons mean
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
  • Mainnet on Robinhood Chain, Tempo, Base and Ethereum, with the final ceremony keys and beta deposit limits
  • Send public balances: ETH and every token listed on the network
  • Shield into the vault: USDG, $GLOAM, PONS and CASHCAT on Robinhood Chain mainnet, with ETH, AI and ORBIO once their limits land; USDC.e, pathUSD, USDT0 and OUSD on Tempo mainnet; USDC, EURC, USDT and ETH on Base mainnet; USDC, USDT, USDG, PYUSD, EURC and ETH on Ethereum mainnet; test ETH, stock tokens and stablecoins on the testnets
  • Private send to a Gloam address, or by claim link with an optional passphrase
  • Cash out with a real zero-knowledge proof
  • Private swaps on Robinhood Chain and Tempo mainnet: swap from your private balance, with who swapped kept private and the amounts public
  • 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