saylor.cash is a Lightning-native venue for 60-second Bitcoin barrier options.
It is an explicit casino product, not an investment, savings, or yield product. You can lose the entire premium on a position.
How it works
1. Sign in using LNURL-auth with a compatible Lightning wallet.
2. Deposit a small amount of sats.
3. Choose LONG or SHORT.
4. The strike and REKT barrier are shown throughout the 60-second position.
5. Survive the barrier and finish in the money to receive the published gross payoff. If the barrier is hit, the premium is lost immediately.
The default configuration uses a 7 bps barrier and a 1.9× gross winning payoff. Both the strike and barrier are visible before and during the position.
MarketsBTC/USDT is the only pair live today. I am also exploring related markets, including Bitcoin-treasury equities such as MSTR/USD and cross-asset ratios such as BTC/QQQ.
There are no release dates or commitments; any new market needs a stable oracle and reliable settlement behavior.
Wallet and custody
- LNURL-auth; no email address, password, or phone number.
- Lightning deposits and withdrawals.
- Bettor Credits are custodial while held by the venue.
- Desktop browser only (mobile version in the works).
Verification and engineering
The venue publishes protocol documentation, reserve attestations, position receipts, and jackpot block arithmetic so users can inspect specific claims. These artifacts do
not prove future withdrawal capacity or honest execution; verification has limits.
The implementation uses Elixir/OTP, sharded WAL + ETS state, replay-before-ready, and Rust NIFs for secp256k1 attestation signing. phoenixd handles Lightning invoices and
settlement. Reserve attestations are signed and published via Nostr.
The venue itself is not open-source, but the underlying primitives are available at
https://github.com/sovereign-maxi.
LinksI am happy to answer questions about barrier mechanics, custody, reserve verification, Lightning integration, or the WAL/replay model. Operational and technical criticism is welcome.
