On-chain Contributions
Geyser supports both Lightning and on-chain payments, giving contributors full flexibility. All funds, however, are ultimatelLearn how to get your money back in the rare case an on-chain payment fails
To stay KYC-free, Geyser uses Boltz Exchange, a non-custodial third-party service that swaps on-chain donations to Lightning. Geyser never holds or controls your funds.
How to Contribute On-Chain
Go to the project page.
Click Contribute on the right-hand side.
Enter the amount you wish to send.
Add a public comment (optional).
Select the On-chain tab.
Download the Refund File - this is essential in case the payment fails.
Scan the QR code or click Copy address to pay from your wallet.
Optionally, enter your email to get payment status updates.
Important Payment & Refund Tips
Send the exact amount in satoshis shown on Geyser.
Use a medium or high transaction fee (adjust sat/vB manually if needed) to ensure the swap completes within 24 hours.
Download and safely store your Refund File. You can re-download it anytime if unsure.
Fees for on-chain donations
On-chain donations may include the following fees:
Geyser fee:
5% for projects using a Lightning address
Custom % for projects running their own Lightning node
Boltz fee: 0.1%
Affiliate fees (optional):
A % set by the creator to reward promoters or
10% for Geyser Promotion Network contributions
On-chain fee: varies based on network congestion
If a payment fails, you’ll only pay for two on-chain transactions - one for the payment and one for the refund.
How to claim a Refund
If your payment fails:
Go to the Refund page
Upload your Refund File (auto-detected if stored locally).
Enter your Bitcoin address for the refund.
Click Initiate refund.
If you didn't secure your refund file and the transaction failed, please contact us.
Because Geyser has no control over the funds you send at any time, if you didn't secure your refund file, you will not be able to receive a refund from Geyser.
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