I'm pretty sure the author was referring to "gas" on the Ethereum blockchain. The more you pay, the faster your transaction completes. More info here: https://

I'm pretty sure the author was referring to "gas" on the Ethereum blockchain. The more you pay, the faster your transaction completes. More info here: https://ethereum.stackexchange.com/questions/3/what-is-meant-by-the-term-gas https://ethereum.stackexchange.com/questions/3/what-is-meant...