Day 4

A crypto-currency is a "virtual currency" based on a computer protocol for encrypted, secure, decentralized (= peer-to-peer) transactions. It is ...

• blockrain

• blockname

• blockcain

• blockchain

Mining is ecologic

• YES

• NO

• in some country, yes

To follow an ethereum transaction i can visit this website :

https://www.blockchain.com/explorer

• NO

• YES

What does this ETH symbol refer to?

• MONERO

• BITCOIN

• ETHEREUM

• USDT

You can win money by mining

• YES but it is tricky

• NO

The blockchain is public

• YES

• NO

The challenge for law enforcement is to found the public key of a transaction

• YES

• NO

• IT DEPENDS

"Hotel, avocado, fragile, agent, jealous, bottle, all, gaget, lesson, before, after, nobody"

can be an exemple of a seed phrase

• YES

• NO

Pagefile.sys is not call as a virtual memory

• YES

• NO

Analyze the pagefile.sys can be a good way to found some artefact of hacking

• YES

• NO