Cryptocurrency exchange services featuring blockchain technology; Providing online share price information via a blockchain data feed to smart contracts; Providing online share price information to blockchain-based smart contracts; Providing information in the field of cryptocurrency exchange price quotations via a blockchain data feed to smart contracts; Blockchain-based payment verification services; Financial exchange of cryptocurrency via crypto swapping; Providing grants for blockchain ecosystem and network development, public goods, community projects, and open sourced developers; Charitable services in the nature of providing grants for blockchain ecosystem and network development, public goods, community projects, and open sourced developers; Charitable foundation services, namely, providing fundraising activities, funding, scholarships and/or financial assistance for blockchain ecosystem and network development, public goods, community projects, and open sourced developers; Financial custody services, namely, maintaining possession of financial assets for others for financial management purposes; Providing financial information in the field of decentralized finance (DeFi); Financial exchange of cryptocurrency via decentralized exchanges (DEXs); Financial exchange of cryptocurrency; Financial exchange of digital currency; Financial information in the field of cryptocurrency; Financial exchange of virtual currency; Financial investment in the field of digital asset treasuries, DAOs, digital asset staking, and governance tokens