← Explorer
Total TVL
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across all protocols
Lock
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time-locked BTC
Staking
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5% APY
AMM Pool
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BTC+stBTC liquidity
Lending
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collateral locked
🔒 Lock.sol — Time-locked BTC Deposit
DEMO · Lock BTC for a set time — earn STAX points while locked. Funds are released automatically when the timer expires. Good for demonstrating Bitcoin time-locks on EVM.
Deposit & Lock
Withdraw After Unlock
📈 Staking — 5% APY
DEMO · Deposit BTC and earn 5% APY, accrued every second. Withdraw at any time — your balance grows automatically. No lock-up period.
Stake BTC
My Position
Staked—
Pending Rewards—
Actions
⇄ SimpleSwap AMM — BTC ↔ stBTC
DEMO · AMM x·y=k (Uniswap v2 style). 0.3% fee.   Spot: —
BTC → stBTC
stBTC → BTC
Pool BTC: —
Pool stBTC: —
k = —
💧 Liquidity Provision
Add BTC Liquidity
Add stBTC Liquidity
My BTC: —
My stBTC: —
🏦 Vault — ERC-4626 Yield-Bearing vBTC
DEMO · Deposit BTC → receive vBTC shares. Share price increases as yield is injected via addYield(). ERC-4626 style.
Total Assets—
Total Shares—
Share Price—
Your vBTC—
Your BTC Value—
Deposit BTC → vBTC
Redeem vBTC → BTC
Inject Yield (Demo)
Increases share price for all vBTC holders
💰 Lending — BTC Collateral → Borrow stBTC
DEMO · Deposit BTC as collateral → borrow stBTC up to 75% LTV. Liquidation at 80% LTV. Oracle: 1 BTC = 1e8 stBTC sats.
Total Collateral—
Total Debt—
stBTC Liquidity—
Oracle Price1 BTC = 1e8 sats
My Collateral—
My Debt—
Health Factor—
Deposit Collateral (BTC)
Borrow stBTC
Max borrowable: —
Repay stBTC
Withdraw Collateral
⚡ FlashLoan — Single-Tx stBTC Borrowing
DEMO · Borrow stBTC with zero collateral — as long as you repay in the same transaction. Fee: 0.09%. Used by DeFi protocols for arbitrage, liquidations, and collateral swaps. No risk to you if repaid.
Available Liquidity—
Fee0.09% (9 BPS)
Total Fees Earned—
TokenstBTC (satoshis)
Max Single Loan—
Fee Calculator
• Borrow up to — stBTC sats
• Call your contract's onFlashLoan()
• Do arbitrage / liquidation / etc.
• Return amount + fee before tx ends
✓ Trustless · atomic · no collateral