Re: My Old Private key can't be restored to the new bitcoin core (bounty)

those is new format key from future, but i have a code to make sure it was me, atleast 10 thousand bitcoin is not lie
https://drive.google.com/open?id=17RNLf1VmPu2bmLFYNfd99jn1qKZNepDS

If the format key is from the future, then you should ask someone from the future Tongue

Do you meant you use your own standard or someone's standard which you believe will be popular in future?