hey bounty manager
please change my old btc cuz I cant do sign old adress ?

My old btc adress :199HtPRmed4eUeayFF5GGCaXDC6ufif8VY

my new btc adres : 12WtgrD5oBh6yZDTLjNZsi4HmafoVSjUVB

joined conten creation no spreadsheet : 248

username btt : tomie15
Thank you!