to spam #askNostr development is a sats bitcoin What supporters? the donate without to safe some supporting place

There are other projects than core/knots that could use your donation!

Wallets, signers, explorers, L2s, devKits...

here are some examples:

https://foundation.btcpayserver.org/

https://www.sparrowwallet.com/donate/

https://seedsigner.com/donate/

... But I would just reach out to the devs that are maintaining the projects you use, and donate directly. Then you have the most control over where your money is going