A blockchain is a digitized, decentralized, public ledger of all cryptocurrency transactions. Constantly growing as ‘completed’ blocks (the most recent transactions) are recorded and added to it in chronological order, it allows market participants to keep track of digital currency transactions without central recordkeeping.
Read more: https://www.investopedia.com/terms/b/blockchain.asp
In normal cases, block chain can store tractions. If I want to store complex data structure like tabular data in a data base, can any open source project do it without modifying too many codes?
How can a blockchain be used to manage sharing of personal records
