We are doing science for policy
The Joint Research Centre (JRC) is the European Commission's science and knowledge service which employs scientists to carry out research in order to provide independent scientific advice and support to EU policy.
Blockchain is a tamper-resistant and time-stamped database (ledger) operating through a distributed network of multiple nodes or users.
As such, it can validate transactions and update records in a synchronised, transparent and decentralised way.
Blockchain is based on a particular combination of key features:
But it is still at an early or emerging stage. Depending on the type of blockchain, challenges can include: