Buy & sell anything with bitcoin
The open-source marketplace where you own your data, your contacts, and your transactions. Fees under $0.01.
Balance
1,247,500
sats
Your Items
Vintage Keyboard
500,000 sats
Headphones
800,000 sats
Book Set
100,000 sats
Own your data
Your items, contacts, and transactions belong to you.
Instant payments
BSV transactions confirm in seconds for under $0.01.
Open source
Run locally, self-host, or use Qart.app. Your choice.
Integrations
Built with
Get started in 3 ways
Run Qart locally
Run on your machine. Peer-to-peer. Your social network is yours.
Host Qart yourself
Run on your choice of web infrastructure. Fly.io makes it easy.
Use Qart.app
Get started on Qart.app and go decentralized later. You own your data.
Items
People have items. Organizing them can be good. Sometimes items are for sharing.
Inventory
Tokenize items to rent, borrow, or buy.
Buy & Sell
Trade digital or physical items with bitcoin.
Borrow & Give
Find a good home for your items.
Sample Item
Your personal inventory
FOR SALE