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Complex application components should try to be concentrated in which application layer?
What does the acronym DAO represent?
Smart Contracts are generally written in specific programming languages. Which one is NOT a language for smart contracts?
By design, permissioned blockchains such as Hyperledger Fabric are not capable of creating or utilizing cryptocurrency.
Contracts live on the blockchain in an Ethereum-specific binary format called _____________?
What is diagram referencing below?
You are using Truffle for an Ethereum contract and would like to use a default set of contracts and tests from within an empty project directory.
What is the syntax?
Anonymity can be protected in blockchain applications by use of which of the following?
What type of encryption is shown below and is commonly used in blockchain cryptography?
Which of the following hashing algos is considered to be the strongest?
Pending transactions on the Ethereum blockchain are always ordered by highest fee paid to lowest, and then written to the block in that order.
Hyperledger is an enterprise focused blockchain project. This project was released by a consortium under the umbrella of the Linux Foundation's Hyperledger Project.
What year did Hyperledger go live?
Which of these is the name of a well known open source peer-to-peer hypermedia distributes file system?
To determine the anticipated load on an application, the number of end users should be considered along with?
Blockchain systems assume all parties are trusted by all other parties in the exchange or ecosystem.
Regarding Ethereum contracts, the contracts can call (perform) two specific message calls. The message calls are either _____________ or __________? (Select two.)
Which is the following is the metaphor that describes a logical dilemma that plagues many computer networks?
Secure Hash Algorithm (SHA-256) output is always 256 bits or 32 bytes in length regardless of the length of the input (even if input is millions of bytes). Select best answer.
In any cryptographic system, the key components are: the secret, the function, the key and the _______.
What are two cryptocurrencies that you would expect to see mining equipment with ASICS? (Select two.)
In common blockchain design, identity and transaction approval is possible through:
Which of the following would NOT be true about what a smart contract gives your organization?
Which of the following enterprise blockchain platforms does not have smart contract functionality?
In blockchains there is the concept of "Group Consensus" and how many members must agree.
What is the difference in using Go-Ethereum over Ganache?
The word “Drapp” or “DApp” is most commonly understood to mean what?
The block creation time is set to how many minutes in Bitcoin?
In Hyperledger Fabric chaincode runs in a secured Docker container isolated from the endorsing peer process?
How many satoshis are in 1 bitcoin and how many wei in an Ether? (Select two.)
In the Ethereum EVM there are two types of memory areas. (Select two.)
An on-chain Smart Contract might be considered autonomous in nature because:
An encryption algorithm transforms plain text into cipher text using a key?
Smart Contracts provide all the following benefits EXCEPT?
Proof of Stake offers which advantage over Proof of Work?