pq
Scalable, post-quantum cryptographic messaging for private payments and peer coordination.
- 🔒 Post-quantum
- 🌍 On Ethereum
- 🙈 The chain can't see who's talking
01 · Payments
Paid someone privately? They still need the key.
Private payment apps keep who paid whom off the chain.But to claim the payment, your friend needs its claiming key, and only you have it.
Private payment
100 USDCmade in your payments appfrom ? to ?🔑 ?
02 · Hand-off
Send them the key with pq.
Put the claiming key in a pq message, and only your friend can open it.The chain can't tell who it's for. They claim the payment as usual.
🔑 claiming key
On-chain, for all to see
0x4be1…a07c0x09a7…77e2from ? to ?got the key! 🎉
03 · Lasting
Private now, and for years to come.
Keys travel with Kyber, a post-quantum scheme, so messages stay private for years.It all runs in your browser, and your keys never leave it.
- today
- in 10 years
- in 20 years
- Kyber512
- zero-knowledge proofs
- Poseidon2
04 · Try it
Your turn: say hi.
It's live on Sepolia, right at the top of this page.Curious how? Turn on 🤿 Deep dive, up top.