Cryptocurrency Certification Welcome to the AtoZ Markets Crypto certification. Full Name Email Phone Number Country What is an ERC20 token? A token built on Bitcoin network A token developed built on Ethereum protocol A token for P2P games Top20 token index What is a node? Bitcoin miner A Blockchain protocol A computer on a Blockchain network A decentralized exchange 1 out of 8 If you sent crypto to a wrong address how many minutes do you have to get it back? 15 minutes You will lose it 1 Minute 24 hours What is a blockchain? A type of cryptocurrency An ICO platform A peer to peer distributed ledger Centralized encrypted trading software 2 out of 8 What is the term used for a blockchain protocol splitting? New chain Cross chain Fork Division What is a cold storage? Myetherwallet crypto wallet Blockchain.com crypto wallet Online private key Offline crypto wallet 3 out of 8 What is a private key? Personal key for your locker The key with full access to your wallet Encrypted access to your exchange account Personal referral key If you have 1 Ether in your crypto wallet can you send 1 Ether to another person? Yes it will take longer No I need double the amount Yes it is going to be instant No I need a little extra for the gas 4 out of 8 What kind of cryptocurrency is Bitcoin? Proof of stake Proof of work Proof of Importance Proof of Storage Which one of these is NOT a proof of Stake token? NEM NEO Stellar DASH 5 out of 8 What is the function of Hash? Gives you the opportunity to exchange tokens UTXO Takes an input of any length and returns a fixed-length string of numbers and letters It powers the exchange Which one of the following is not one of the three pillars of the Bitcoin blockchain technology? Decentralization Scalability Transparency Immutability 6 out of 8 What is the maximum number of Bitcoins to ever exist? 29 million 19 Million 21 million 24 million Which one of these exchanges had the biggest Bitcoin hack ever? Mt Gox Bittrex Binance Etherdelta 7 out of 8 Why is Bitcoin halving important? Bitcoin price is halved Bitcoin mining rewards is halved Bitcoin exchanges premiums increase by 50% Bitcoin mining becomes easier by 50% 8 out of 8 Next