built a lot of custom smartcontracts, NFT related smartcontracts (ERC721), also tokens as ERC20, also BEP20 (ERC20 on Binance Smart Chain), staking contracts, borrow.. and so on. Ethereum, BSC.. any Ethereum-compatible blockchain. https://nftgame.me, nft.etna.network , nonfungible-art.net & 10+ others
See etna.network ecosystem - smartcontracts done by me. A lot of experience in the area.NFT maketplace - nft.etna.network, crypto bank - debank.etna.network, tokens, crowdsale.
Also smartcontracts, incl. token, crowdsale, staking for EMBR token, joinembr.com.
I have a lot of experience in blockchain, private blockchains, fintechs and banking ...you can google me - "----- -----". Ph.D in computer science. Have implemented private corporate blockchains.
forbes article mentioning me & my project: https://www.forbes.com/sites/kenrapoza/2018/04/29/meet-the-russians-behind-your-blockchain-and-cryptocurrency-too/#9860813b8687
videos of last project https://www.youtube.com/watch?v=5qdgqhgSmN8 https://www.youtube.com/watch?v=z8LYJ_OB7ns https://www.youtube.com/watch?v=0HDnEiKA2Zk https://www.youtube.com/watch?v=XtprF1nsm4s https://www.youtube.com/watch?v=G8tvvUkQYXs https://www.youtube.com/watch?v=usVx8KNqLdI https://www.youtube.com/watch?v=uxrnVCSskq0