is not invalid:


1: Go main network and select ''add token'' it will redirect you here:






2: Fill the required information and click next:


 

address: 0x983DF154a9d257987A94721cbc429F167De39521  Token Symbol: Tkm20 Decimals: 0



3: Now click again ''add tokens'' when you see the same as here:





4:You should see this:



That is your TKM20 added to metamask; note that ETH metamask is a BETA software, as you can see in the picture, balances use to go and comeback, but are in your account.. this last picture should reflect my eth and tkm20 balances, but not. just wait few minutes, or reset it , do it again..



We have found 4 like gas ammount needed to send our TKM20  remember to customize it before make any transaction