#PI# 2019 year pi Mining debut
In 2020, the number of Mining participants skyrocketed as they began using the Yoti software for passport verification.
In 2021, the estimated cost of canceling Yoti began to develop KYC independently.
The year 2022 marks the era of ID card authentication KYC, where KYC is hard to come by.
The mainnet research list increased from 8 items to 9 items in 2023.
Starting from 2024, we will enter the era of KYC facial recognition, increasing from one facial scan at the beginning to a total of four facial scans.
Entering the email era in 2025
From start to finish, it's K