# How to control gas fee and block time with genesis.json

**URL:** <https://forum.cosmos.network/t/how-to-control-gas-fee-and-block-time-with-genesis-json/10749>\
**Category:** Security\
**Created:** [May 26, 2023, 1:43pm UTC](https://forum.cosmos.network/t/how-to-control-gas-fee-and-block-time-with-genesis-json/10749 "2023-05-26T13:43:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![aakash\_singh\_rajput](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.cosmos.network/aakash_singh_rajput/32/2971_2.png) [@aakash\_singh\_rajput](https://forum.cosmos.network/u/aakash_singh_rajput)\
**Post date:** [May 26, 2023, 1:43pm UTC](https://forum.cosmos.network/t/how-to-control-gas-fee-and-block-time-with-genesis-json/10749/1 "2023-05-26T13:43:32Z")

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i want to change gas fee and block time in a new blockchain made with cosmos. how to do it ?