# Peatio environments configuration

This document provides description of available configuration through the environment.

Environment variable	Default value	Possible values	Description
`PEATIO_DEPOSIT_FUNDS_LOCKED`	false	`true`, `false`	When turned on (`true`) user funds will be locked on deposit, and unlocked once the collection of this deposit succeed
`PEATIO_PLATFORM_CURRENCY`	`usdt`	any valid currency code	System use platform currency to estimate min deposit amount, withdraw fee, min withdraw amount of blockchain_currency if auto update configuration enabled
`PEATIO_ADJUST_NETWORK_FEE_FETCH_PERIOD_TIME`	300	any valid integer	Period of time for currency price recalculation due to mid market price
`PEATIO_CURRENCY_PRICE_FETCH_PERIOD_TIME`	300	any valid integer	Period of time for recalculation of min deposit amount, withdraw fee, min withdraw amount due to currency price if auto update configuration enabled