Blockchain Fundamentals What do you call the series of alphanumeric characters that is saved in a wallet file, is meant to be kept secret, and allows a user to access their cryptocurrency? Public Key Secret Code Private Key Password The Bitcoin whitepaper was published in 2009 by a person (or group of people) that used the name: Mark Twain Thadeus McBitcoin Satoshi Nakamoto Janet YellenWhat is the name of the hashing algorithm that is used by the Bitcoin network to encrypt transaction data and to add (mine) new blocks? SHA-256 Charas SHA-2 HashishThe total supply of Bitcoin is limited to how many bitcoins? 100 billion 1 trillion 21 million 100 million A device that contains a copy of the transaction history of the blockchain is called a: Exchange Wallet Node LedgerWhat is the name of the smallest unit of a bitcoin, which equals one hundred millionth of 1 whole bitcoin (0.00000001)? Penny Farthing Pound SatoshiWhat do you call a function that converts an input of letters and numbers into an encrypted output of a fixed length? Hash Encryptifier Hocus Pocus EnigmaWhat do you call the process of adding transaction records (blocks) to a blockchain's existing blocks that contain the ledger of past transactions? Stacking Connecting Mining Blocking What word is used to describe a blockchain that allows anyone to participate on them, such as Bitcoin and Ethereum? Vacant Open For Business Promiscuous PermissionlessProof of Work, Proof of Stake, and Proof of Authority are examples of what kind of algorithm? Randomized Algorithm Consensus Algorithm Dynamic Algorithm Funky Algorithm11 out of 10