Presales are a practice by crypto projects offering an initial coin offering, where tokens are sold at a predetermined price to investors and users. It is an early fundraising event where a blockchain project attracts capital from potential investors before a public listing.  Nexchain is a blockchain ecosystem built entirely by AI. It combines decentralized security measures with technological developments of the future. By combining Proof-of-Stake mechanisms with NEX AI, an innovative Hybrid Consensus, it ensures exceptional performance and flexibility.