Conversation so far:
What is blockchain?
A blockchain, originally block chain, is a growing list of records, called blocks, that are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data.
What problem does blockchain solve?
Blockchain technology solves the Byzantine General's Problem using a proof-of-work consensus algorithm
How does blockchain work?
A Blockchain is a type of diary or spreadsheet containing information about transactions. Each transaction generates a hash
What are the types of blockchain networks?
Currently, there are at least four types of blockchain networks — public blockchains, private blockchains, consortium blockchains and hybrid blockchains.
Tell me about blockchain's invention.
Blockchain was invented by a person (or group of people) using the name Satoshi Nakamoto in 2008 to serve as the public transaction ledger of the cryptocurrency bitcoin.
How is blockchain related to cryptocurrencies?
The blockchain is the technology that is serves as the distributed ledger that forms the network. ... Cryptocurrencies are the tokens used within these networks to send value and pay for these transactions.
How is Bitcoin generated?
New bitcoins are generated by a competitive and decentralized process called mining. This process involves that individuals are rewarded by the network for their services.

Question: How secure is blockchain
Self-contained rewrite: How secure is blockchain?