NEVER LOSEA FEE AGAIN.
TX failure insurance for Solana. Pay a small premium. Get a full refund if your transaction fails.
Daily Failed TXs
200M+
On-Chain
Verified
failed TXs daily on Solana
lost to fees every single day
Every failed swap, every dropped transaction — your fees vanish into the void. No refunds. No safety net.
While you've been here
$0
lost to failed TXs on Solana
Without Harns
Fee Lost Forever
With Harns
Fee Refunded
HOW IT WORKS
CLIP IN
Pay a small premium before your TX. Like clipping your carabiner before a climb.
CLIMB
Your transaction executes on Solana. Success or failure, you're protected.
SAFE LANDING
TX failed? Full fee refund. Automatically. No claims. No waiting.
PREMIUM CALCULATOR
Slide to see how much protection costs for your priority fee.
Premium
— SOL
Refund if Failed
— SOL
Net Savings
— SOL
Network Failure Rate
—
Rates from on-chain pool. Subject to network conditions.
YOUR GEAR
Everything you need to protect your transactions, in one place.
TX FAILURE DASHBOARD
Connect your wallet. See exactly how much you've lost to failed TXs. Your personal climbing logbook.
CHROME EXTENSION
One-click insurance toggle on any DEX. Jupiter, Raydium, pump.fun — covered.
CLIMB HIGHER
Hold $HARNS. Pay less. Get refunded faster. Reach the summit.
50% of pool profits go to $HARNS buyback & burn every quarter.
Fees Lost Today
$0
Pool Size
0 SOL
Insured Today
0 TXs
EVERY CLIMBER
NEEDS A ROPE.
Protect every transaction. Start climbing safely.