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Sergey Solovyev
Sergey Solovyev

Sergey Solovyev

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From Lottery Smart Contract: Can we generate random numbers in Solidity? by Narek Hovsepyan

Contract is opening new round of submissions. Now users who have previously submitted a hash, are required to submit the original number. Only users who have submitted before a hash can…

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Implementing In-App Billing in Android

Sergey Solovyev