Add privacy to anything

Pick an app and see what the chain records about one payment. Then add Gloam and run the same payment again.

Simulation, no real funds

The app

A fan tips a writer 5 USDG.

Ines Moreau

A weekly letter on how cities move.

Tips go to 0x9C4e…b21F

Shows the change and runs the same payment again.

tip.ts · today

// tip.ts: the Tip button on your page

const USDG = "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168";

const WALLET = "0x9C4e…b21F"; // yours

export function tipLink(amount = "5") {

// Opens the fan's wallet with a USDG transfer to you.

const to = `address=${WALLET}&uint256=${amount}e6`;

return `ethereum:${USDG}@4663/transfer?${to}`;

}

TypeScript, with @gloamtrade/sdk 0.4.0 and viem

Robinhood Chain

Transaction0x7f3a9c…a2c91dSuccess

Amount5.00 USDG

Calltransferto, amount

Anyone can see the fan paid the writer 5.00 USDG, and open either wallet's history.

Still public with Gloam: adding money to a private balance, and cashing out. Both show the wallet, the token and the amount.