Blockchain Flashcards
________ consensus mechanism is the
fundamental characteristic defining blockchain technology
Decentralized
Blockchain _____ introduced smart contracts and expanded beyond cryptocurrencies.
2.0
________ Blockchain restricts participation to a specific group or consortium.
Private
_______ blockchains lack transferable value units compared to tokenized blockchains.
Tokenless
The purpose of a ______ ____ is to sign digital transactions
private key
________ _____ _______ uses a single secret key for both encryption and decryption.
Symmetric Key Cryptography
A _____ function in blockchain technology creates unique identifiers for data.
hash
_______ ______ is known for its offline storage to enhance security
Cold Wallet
The primary function of ___-____ solutions in blockchain scalability is to increase transaction throughput.
off-chain
In the context of blockchain, ________ refer to all cryptocurrencies except Bitcoin.
altcoins
The focus of _________ within the blockchain ecosystem is enterprise-grade blockchain solutions.
Hyperledger
________ is the scalability solution that involves partitioning the blockchain database to improve performance.
Sharding
The Blockchain __________ aims to balance decentralization, scalability, and security
Trilemma
Open participation and governance distinguish a public blockchain from a private blockchain. (True / False)
True
________ _________ _______ allows devices with limited resources to verify Bitcoin transactions.
Simplified Payment Verification (SPV)
PBFT stands for _____________
Practical Byzantine Fault Tolerance
_____________ security is essential for transactions on a blockchain to ensure network integrity
Cryptographic
The primary focus of Blockchain ____ is financial services and smart contracts.
2.0
_________ _________ refers to the concept of autonomous agents making decisions on behalf of people on a blockchain
Machina Economicus
Blockchain ____ is associated with applications beyond the financial industry, such as in health and media.
3.0
The ______ theorem describes the challenge of achieving Consensus, Availability, and Partition tolerance in the context of blockchain.
CAP (aka Brewer’s theorem)
The main challenge addressed by the Practical Byzantine Fault Tolerance (PBFT) algorithm is agreement among nodes in the presence of _________.
faults
Practical Byzantine Fault Tolerance (PBFT) algorithm solved the Byzantine Generals Problem in _______.
1999