Let me introduce you to a piecoin that can be mined on mobile. If you download only the free app (Pycoin) and subscribe to it and press it once a day, it's worth it because it's set to open the main net in December 2021 and go public in early 2022. About six pies a day are mined alone, so about 500 pies can be mined by December.
If you say it costs about 10,000 won per pie, you can exchange about 5 million won. It could rise more than that (discovered a case of 200,000 won transaction for 1 pie in China).
As it is the first generation of mobile devices, we expect to follow Bitcoin, the first generation of PC.
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It's time to get your Invitation.codes account too 😎