Sergey  Grybniak

Sergey Grybniak

Opporty
Founder Opporty
97 points
All activity

Opporty is a service marketplace with cutting-edge blockchain technology on board. Opporty enables new models of commercial and social engagement on secure, resilient, and impenetrable Ethereum blockchain. It streamlines small business activities through smart contracts and decentralized Escrow procedure.

OpportyService marketplace for small businesses on the blockchain
Sergey Grybniakleft a comment
Seems to be useful app! Congrats on the launch!
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