what is the argument you enter into the constructor? Please simplify the answer.
Welcome to the community
Please see the documentation on how to calculate the rate: https://docs.openzeppelin.com/contracts/2.x/crowdsales#crowdsale-rate
If you want to issue someone “1 TKN
for every1 ETH”, and your decimals are 18, your rate is
For initial testing on a testnet (or locally), you can start with a rate of 1 whilst you test your code.