The foundation
Get familiar with the ideas behind the technology.
What is a blockchain?
A blockchain is a shared record maintained across a network of computers. Records are grouped into blocks, and each block links to the one before it. Network rules determine which updates are accepted.
Is blockchain the same as crypto?
No. Blockchain is a technology for maintaining shared records. Cryptocurrencies are one use of it. Blockchain can also support applications involving ownership, credentials, and coordination.