https://stepnofficial.medium.com/smac-stepn-model-for-anti-cheating-a36bc1d6ecb0

For instance, if users are found to be multi mining (i.e. carrying multiple phones with the STEPN app opened), their earnings for the session will be nullified and a specified amount of points will be deducted from their TS. On the other hand, if a user moves regularly without cheating, their earnings will not be affected and they will receive additional points to their TS.

同時起動はダメなのは分かってるけど
ちょっと気になるのは
users are found to be multi mining (i.e. carrying multiple phones with the STEPN app opened)の箇所

起動の意味がmulti mintingを意味してるのか
単にアプリを起動させていることを意味しているのかが不明

複垢でやるなら片方のスマホのアプリは閉じた状態でやるのが
無難かもしれない