I complete all step without any problem… I believe ALEX project future bright… good luck Team 
My Stacks address:- STG5SEXG93SWC3ZJGW7EF0NW49ZGHEKJWBX4A9RE
Sepolia address:-0x64C185D404A5D6Ea5CC2c470B8d3C2F38b4A90f1
Stacks mainnet address:- SPG5SEXG93SWC3ZJGW7EF0NW49ZGHEKJW96F717K