1) A blockchain challenge hosted by Carolina Fintech Hub selected 10 student teams from universities across North Carolina and South Carolina to develop blockchain use cases and compete for cash prizes. 2) The challenge provided training in Oracle's blockchain platform and mentorship from banks and other companies, helping students further develop their blockchain ideas. 3) The event was held at AvidXchange and was part of efforts by Charlotte companies to engage with and access talent from local universities developing cutting-edge technologies like blockchain.