See how we rate investing products to write unbiased product reviews. Blockchain is a decentralized, digital database that stores transactions and other forms of data. Key blockchain features ...

Blockchain is not a centralized system, as communication and control are not the responsibility only of a specific individual ...

Zoe Hansen / Investopedia Layer 1 and Layer 2 are both scaling solutions designed to improve the processing speed of blockchain networks. Layer 1 scaling solutions are changes made to a blockchain ...

A blockchain hard fork is a change in programming that is incompatible with the old programming. This essentially creates a new blockchain, and sometimes a new cryptocurrency. Hard forks generally ...

Invest in ETFs like Amplify Data Sharing or Reality Shares Nasdaq for blockchain exposure. Buy stocks of companies using blockchain, such as Walmart or PayPal, for long-term gains. Consider risk ...

Njambi Njoroge explains how Grassroots Economics is digitizing Kenya’s traditional mutual-aid systems with blockchain—turning community commitments into digital vouchers to scale collaboration, ...