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10 lines
3.7 KiB
10 lines
3.7 KiB
id&qtp&qim&qil&qtx&qca&qia&qrm&qnxt&qprv&qalb&subj&wght&pts&flr&ded&layout&qfixed&qptsbyans&flags
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blkchn2.001&esa&1&N&_________ was the first
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;asset recorded using a blockchain ledger.&bitcoin&&Bitcoin was the first<br>asset recorded using a
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;<br>;blockchain ledger.&&&&undefined.0&&&&&1&&&N.
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blkchn2.002&esa&0&N&________ and ________ represent the first two
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;generations of blockchain technology,
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;respectively.&bitcoin ethereum&&Bitcoin and Ethereum represent the first two <br>;
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;<br>;generations of blockchain technology, <br>;
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;<br>;respectively.&&&&undefined.0&&&&&1&&&N.
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blkchn2.003&esa&0&N&Bitcoin also uses operators of network nodes,
;called “______,” who must agree by
;consensus when adding new blocks to chain.&miners&&Bitcoin also uses operators of network nodes, <br>;
;<br>;called “miners,” who must agree
;<br>;by<br>consensus <br>;when adding new blocks to
;<br>;chain.&&&&undefined.0&&&&&1&&&N.
blkchn2.004&esa&0&N&The consensus mechanism is called _______ ___
;_____, which requires network nodes to compete
;with each other by performing extensive
;computational work.&proof of work&&The consensus mechanism is called Proof of Work <br>;
;(PoW), which requires network nodes to compete
;<br>;with each other by performing extensive
;<br>;computational work.&&&&undefined.0&&&&&1&&&N.
blkchn2.005&esa&0&N&This approach of adding payment, difficulty, and
;expense to the administration of the ledger is
;intended to keep ____________ from operating
;network nodes.&hackers,bad actors&&This approach of adding payment, difficulty, and
;<br>;expense to the administration of the ledger is
;<br>;intended to keep hackers or other bad actors from
;<br>;operating network nodes.&&&&undefined.0&&&&&1&&&N.
blkchn2.006&esa&0&&The payments made to reward network operators
;explain why cryptocurrencies are mandatory in a
;________ blockchain but are not needed in a
;permissioned blockchain.&public&&The payments made to reward network operators
;explain why cryptocurrencies are mandatory in a
;public blockchain but are not needed in a
;permissioned blockchain.&&&&undefined.0&&&&&1&&&N.
blkchn2.007&esa&0&N&Ethereum came along years later offering a
;number of improvements over Bitcoin’s
;implementation, along with extensive
;development capabilities and tools that
;________ can use as a development platform to
;build their own blockchain applications.&anyone,everyone,anybody,everybody&&Ethereum came along years later offering a <br>;
;<br>;<br>;number of improvements over Bitcoin’s
;<br>;<br>;<br>;implementation, along with extensive
;<br>;<br>;<br>;development capabilities and tools
;<br>;that <br>;anyone <br>;can use as a development
;<br>;platform <br>;to build <br>;their own
;<br>;blockchain <br>;applications.&&&&undefined.0&&&&&1&&&N.
blkchn2.008&esa&0&N&Ethereum also introduced its own cryptocurrency
;called Ether (ETH) and replaced the PoW
;consensus mechanism with a _________ __
;_________ (PoS) protocol that requires less
;overall computation.&proof of stake&&Ethereum also introduced its own <br>cryptocurrency
;called Ether (ETH) and replaced <br>the PoW consensus
;mechanism with a Proof of Stake <br>(PoS) protocol that
;requires less overall computation.&&&&undefined.0&&&&&1&&&N.
blkchn2.009&esa&0&N&The bottom line is that Ethereum smart
;contracts enable the exchange of digital assets
;between parties in a more sophisticated and
;reliable manner and are the mechanism used
;to eliminate _______________.&intermediaries&&The bottom line is that Ethereum smart contracts
;<br>;enable the exchange of digital assets between
;<br>;parties in a more sophisticated and reliable
;<br>;manner and are the mechanism used<br>to eliminate
;<br>;intermediaries.&&&&undefined.0&&&&&1&&&N.
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