zk-mobile number verifier
Verify on chain accounts with off-chain phone numbers including area-wise segregation based on country codes
About
The problem it solves Eliminiates bot accounts to a degree as the user has to have a off-chain phone number to send to the trusted verifier. Provides anonymous state-wise/area-wise filtering by using a zk-circuit and spitting out an area code for a given mobile number. Verify on chain ethereum accounts with 2fa phone no
How it's made
Challenges we ran into Sorting and building the zk-library based on the subscriber mobile template and splitting the library into 4 parts because a single solidity file was exceeding the contract size. Overcame it by splitting the template into 4 seriers (6,7,8,9-series)