# Proof of Authentication
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Username Medium: @Capt_W_Kidd @dccbtt
hi, Sylon.
a few days ago, I made a mistake when filling the medium username and link. this should be
https://medium.com/@dccbtt (@dccbtt) instead
https://medium.com/@Capt_W_Kidd (@Capt_W_Kidd).
Is it possible to change the medium username & link? If so, please update it (no. of spreadsheet 9). thank you.