Create the gift's keys in your computer, you alone are able to access these keys.
The funds are immediately transferred to time-locked smart contracts directly on the Bitcoin Blockchain.
When the transaction reaches its maturity date, the beneficiary can unlock it and spend it.
Benefit from the Bitcoin transactions' privacy with no further intervention from third parties - you keep full control over your money.
The Bitcoin remains locked until the release dates you select, enforced by the Bitcoin blockchain itself.
You can keep the support flowing through time with the pre-programmed gifts or donations ensuring the sustainability of the funds.
Get your gifts and donations going with just a few steps and bc1q21 takes care of the rest of the process for you, facilitating the smart-contract creation and publication to the Bitcoin Blockchain.
In August 2026, bc1q21 engaged sovtech.pro (Sovereign Technology S.A.S. de C.V.) to perform independent security scanning and reporting on the project.
The findings from that review were used to inform a comprehensive internal remediation process to harden the application.
This acknowledgement of past security review services does not constitute an endorsement, certification, or verification of the current security posture of bc1q21 by sovtech.pro.
