Cryptocurrency & Blockchain Certificate from The Digital Adda which you can share in the Certifications section of your LinkedIn profile, on printed resumes, CVs, or other documents

Cryptocurrency is a digital or virtual currency that is secured by cryptography, which makes it nearly impossible to counterfeit or double-spend. Many cryptocurrencies are decentralized networks based on blockchain technology a distributed ledger enforced by a disparate network of computers.

Blockchain can be seen as consisting of several layers:

1. Infrastructure (hardware)
2. Networking (node discovery, information propagation and verification)
3. Consensus (proof of work, proof of stake)
4. Data (blocks, transactions)
5. Application (smart contracts/decentralized applications, if applicable)

Cryptocurrency & Blockchain Certificate from The Digital Adda which you can share in the Certifications section of your LinkedIn profile, on printed resumes, CVs, or other documents

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Here are the Questions and Answers :

The five elements of blockchain are distribution, encryption, immutability, tokenization and:

• Transparency
• Authorization
• Efficiency
• Decentralization

What can an IT leader use enterprise blockchain for?

• Streamline supply chains
• Improve financial transactions
• Provide identity management
• All of the above

True or false: Smart contracts are legally binding contracts.

• True
• False

What are some of the advantages of implementing enterprise blockchain?

• Reduce IT costs
• Expand business-to-business and business-to-consumer networks
• Enable new products
• All of the above

True or false: A user can alter data on a blockchain.

• True
• False

What feature about enterprise blockchain is accurate?

• Lowers transactional settlement times
• Has trust problems
• Requires no change management
• Is energy efficient

What is one of the challenges of permissioned, also known as private or enterprise, blockchain?

• Speed
• Auditability
• Security
• Access control

What areas of cybersecurity does blockchain have the potential to improve?

• Building security
• Payment history
• Password complexity
• Resilience

Blockchain has the potential to support the following enterprise goals except:

• Uncover insights using data
• Address a skills gap
• Promote traceability
• Boost personal communication between suppliers and producers

What are essential skills a blockchain developer should have?

• Official asset registry, voting facilitation, back-office functions
• Familiarity of blockchain architecture, foundation in cryptography, proficiency in common programming languages
• Foundation in data structures, web development, understanding of smart contracts
• Both B and C

What does P2P stand for?

• Password to Password
• Peer to Peer
• Product to Product
• Private Key to Public Key

What is a node?

• A type of cryptocurrency
• A Blockchain
• A computer on a Blockchain network
• An exchange

Who created Bitcoin?

• Satoshi Nakamoto
• Samsung
• John Mcafee
• China

Where do you store your cryptocurrency?

• Bank account
• Cloud
• Wallet
• In your pocket

What is a miner?

• A type of blockchain
• An algorithm that predicts the next part of the chain
• A person doing calculations to verify a transaction
• Computers that validate and process blockchain transactions