Blockchain Quiz A challenging Quiz all about Blockchain and Ethereum Start our free Quiz now and figure out, how well your Blockchain knowledge is. The rules are: You have to answer 30 Questions Timelimit will be 5 minutes every question has only 1 correct answer Do you have what it takes to answer all questions correct? (Spoiler: Nobody has ever gotten every answer right) Why do we need Blockchain?Power and Corruption create a trust problemWe need to store more dataData needs to be available everywhereWhat are the benefits of Blockchain?Creates trust and securityStores huge amount of dataConnect the worldWhat can you do with tokens?Create new BlockchainsApply functions to a BlockchainSecure a blockchainWhat is a cryptocurrency Coin?MoneyWalletBlockchainWhat did Satoshi Nakamoto develop?Bitcoin whitepaperBlockchainEthereum whitepaperWho invented Ethereum?Arthur BrittoVitalik ButerinGavin WoodWhat is Blockchain?An algorithmAn open, distributed, transparent ledgerA digital Book for global accessWhat are the limitations of Blockchain?There are no limitationsScalability, speed and storageGovernmentWhat is a hash ?A checksumAn algorithmA encryption codeWhy do we need a hash function?SecurityTransparencyDistributionWhat is the task of a miner?Validate transactionsTransfer coinsSecure the ledgerWhat is a miner?A computerA personA nodal point in the networkWhat is the task of the ledger?Tracking transactionsHint functionWarning functionHow do we secure the ledger?EncryptionTransparencyCryptographic hashingWhy do you need a digital wallet?Share dataStore coinsUse the networkWhat types of Blockchain users exist?Centralized and decentralized userActive and Passive userMiner and TraderWhat is the basic concept of the Blockchain technology?SharingTransparencyDistributionWhat is the key function of Blockchain?Tracking transactionsEliminate third partiesEveryone can review everythingWhat is a correct type of a hash function?Proof of workSHA256There is no type of a hash function, they are all the sameWhat is Proof of Work? The effort to validate transactionThe effort to transfer coinsThe effort to confirm successful transactionsWhat is a cryptocurrency?Digital currencyA coinA piece of codeWhat is Ether? A BlockchainA piece of codeEthereumWhat is a smart contract?An AgreementCommitmentA self executing codeCan you change a smart contract? YesYes, with permission of both partiesNoWhat is an example of a DAO?There are no examplesIOTASteemitWhat is an advantage of a DAO? Reduce costsDo not need peopleReduced risk of failureWhat is a criterion of a dApp?Open SourceTransparentFreeWhat is a "type 1" dApp? Runs on their own BlockchainRuns on another BlockchainUses smart contractsWhat is the purpose of the Blockchain technology?Because we have a safety problemBecause we have a trust problemBecause of the dark netWhat is a peer-to-peer system? System of peersNodal pointsComputer unionWhat is a token?Subset of a coinFuel for the networkNeeded for smart contractsWhat are the benefits of tokens? You can trade with himYou can collect themYou can apply functions on the blockchainWhat is the different between DO and DAO?DO is autonomousDAO is more securedDAO is autonomousHow is DAO defined? With dAppsThrough smart contractsWith TokensWhat is an ERC20 Token?High value tokenStandard tokenA token that is 20 times fasterWhat is a coin? A BlockchainA rule in the networkAn assetWhat is an example for Blockchain 2.0?EthereumBitcoinIOTAWhat do you need for decentralized applications? A smart phoneA smart contractEthereumThanks for completing our Blockchain Quiz. If you are interested in getting more detailed results of your Quiz, just leave us your E-Mail and we can send it to you. Your Nirolution Team Name (optional) E-Mail (get more detailed information about your Quiz) Time is Up!