Blockchain Ventureon is a decentralized platform that allows transactions, atomic swaps and fundraising for start-up launches. For business regulation, the Notaries / Arbitrators system is included into Blockchain. To start Blockchain Ventureon, the UDNA account unit (Unit of Demand Notes Accounting) is used, which is later converted into VNN digital currency. Blockchain Ventureon features: - VNN digital currency is used as the calculation unit. - Reliable anti-DDoS protection. Implemented through a deep decentralization (2583 servers), it makes the hacking economically impractical. - Anti-intruder protection of crypto assets and resolution of disputes. Decentralized escrow service and arbitration. - Smart contracts to facilitate the ICO procedure, without the need for programming, based on the online VNN constructor. - Decentralized notary - the establishment of cross-border crypto companies, the identity of the organizers of these companies, the identity of the organizers of the ICO, the identity of creditors and borrowers, the issuance of crypto-loans, the implementation of transactions with real assets.