Crypto tools that do one thing and do it on mainnet.
Stablecoin payment links, a stock gift by link, a check whether a stop-loss covers the whole position, a news-background indicator for a trader. Funds go straight to the recipient, keys never leave your wallet.
Networks: Arc, Base, Somnia, Solana. Code is open on GitHub.
Tally Invoices: payment links in USDC and EURC on the Arc network
The client opens a link and pays in one transaction, money goes straight to the seller. Contract on Arc mainnet, three live payments, Telegram bot says 'paid'.
0.50 USDCthe first live invoice, paid on mainnet
open brief
1:28Gift a Share: a slice of a stock as a gift by link, on Base
Buy a slice of Nvidia for $5, lock it in a contract, send a link. Whoever opens it keeps it. No owner on the contract, everything tested on mainnet.
1.5 daysfrom an empty folder to a live site, a mainnet contract and a video
open brief
0:50StopCheck: an audit of the dreamDEX perp exchange and a tool against the stop-loss trap we found
One day to audit a perp exchange on Somnia: 21 reports with hashes. Finding: an 'Entire' stop loss covers only part of the position after you add to it.
19 of 463exchange accounts with a partially covered position, from 6% to 99.6%, found by the scan
open brief
1:28NewsTide: a news background indicator for crypto traders, styled as an old newspaper
Pick a coin, long or short, and a timeframe. You get one newspaper page with a stamp, for your plan or against it, and links to the news it was decided on.
24 of 24coin, plan and timeframe combinations the demo serves from the archive, without calling the AI
open brief
Inside the Block: how Solana leaders order transactions within a block
1,498 of our own transactions into Solana leader windows. BAM sorts simultaneous arrivals by fee, the rest keep arrival order. Rules committed up front.
21 of 23runs at BAM leaders where the dearer transaction landed first, p < 0.001
open brief