A small smart contract needs to be developed. There will be a platform for donations, a person wishing to donate can send any coin in the ERC20 network, the smart contract will pay the gas fee. (I top up the smart contract, which will pay for the gas) A small website with a minimal interface is also needed, where a person can connect their wallet and conduct a transaction. So, a person goes to the site, connects a wallet and, for example, sends 20usdt erc20, while he may not have ETH on his account to pay for gas fees, the gas fee is paid by a third party in the smart contract, and the recipient has a separate wallet. I saw a semi-finished solution on opengsn.org , which will clearly help in the end result I am waiting for your price offers
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