How to Automatically Pay Your End-Users’ GAS Fees Without HODLing Crypto | HackerNoon

'How to Automatically Pay Your End-Users’ GAS Fees Without HODLing Crypto' by tatum_io blockchain gasfees

You simply create user wallets within your app aswallets, and when users send any kind of token from them, Tatum handles the gas fees and deducts them from your plan. This means you’ll never have to worry about the logistics of paying for your users’ gas fees again.Whenever anyone sends tokens on the blockchain, they have to pay transaction fees called “gas fees.” If you are building a blockchain app, you’ll want to cover your users’ gas fees to provide the best possible UX.

For example, if a user has 2 CELO in their wallet, and they want to send 2 CELO to purchase something, they’d have to pay a very minuscule gas fee to send it. And that would mean they could only really send 1.9999 CELO, which would make your app seem annoying and inconvenient to many end-users.So you’ll definitely want to pay the 0.0001 CELO gas fee to allow your user to send their 2 CELO. This may seem simple enough: you can just send the 0.

But wait…it’s actually not so simple. In reality, you have to pay MORE gas fees to send that 0.0001 CELO to the end-user’s wallet. Not to mention, if your app has hundreds, thousands, or millions of end-users, sending gas fees to all of their wallets for every transaction is an absolute nightmare. Tiny amounts of crypto will inevitably get leftover in their accounts, and the extra gas fees you have to pay will add up to significant overhead expenses.

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