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2025 EC-COUNCIL High Hit-Rate 312-82: Exam Dumps EC-Council Blockchain Fintech CertificationB|FC exam Provider

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EC-COUNCIL 312-82 Exam Syllabus Topics:

Topic
Details

Topic 1

Bitcoin: This module zeroes in on Bitcoin, the first and most prominent cryptocurrency. It tests the understanding of blockchain developers about how Bitcoin works, its impact on the financial landscape, and the challenges and opportunities related to its adoption as a digital currency.

Topic 2

Introduction: This part of the exam gauges the basic knowledge of blockchain technology for professionals like financial analysts and covers key blockchain concepts such as distributed ledgers, consensus mechanisms, and smart contracts, forming the basis for more advanced topics covered later.

Topic 3

Ethereum: This part of the exam evaluates the expertise of blockchain developers and IT professionals in Ethereum, the leading platform for decentralized applications (dApps).

Topic 4

Financial Applications: This section assesses the understanding of blockchain applications within financial services for professionals such as fintech developers and covers how blockchain is reshaping areas like payments, remittances, and trading by providing secure, transparent, and efficient alternatives to conventional methods.

Topic 5

Blockchain Project Implementation: In this section, the exam focuses on the capability of project managers to execute blockchain projects effectively.

Topic 6

Insurance Applications: This section evaluates the expertise of insurance professionals, such as underwriters and claims managers in utilizing blockchain technology within the insurance industry.

Topic 7

Blockchain as a Service (BaaS): This section measures the skills of IT architect in deploying Blockchain as a Service (BaaS). It outlines how BaaS enables organizations to create and manage blockchain applications without building their own infrastructure, simplifying the adoption and scaling of blockchain technologies.

Topic 8

Security in Blockchains: This part assesses the knowledge of cybersecurity experts, IT auditors, and compliance professionals in securing blockchain systems.

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EC-COUNCIL EC-Council Blockchain Fintech CertificationB|FC exam Sample Questions (Q51-Q56):

NEW QUESTION # 51
Who first proposed blind signatures to build an untraceable digital currency?

A. David Chaum
B. Satoshi Nakamoto
C. Nick Szabo
D. Wei Dai

Answer: A

Explanation:
David Chaumfirst proposed the concept ofblind signaturesin the early 1980s as a way to create an untraceable digital currency. Chaum's work laid the groundwork for digital privacy in financial transactions by enabling transactions to be signed without revealing the actual content of the transaction, thus maintaining user privacy.
Key Details:
* Blind Signatures: A blind signature is a form of digital signature in which the content of a message is hidden (or "blinded") before being signed. This allows for privacy-preserving digital transactions, as the signer cannot see the actual content they are signing.
* Application in Digital Currency: Chaum's idea was foundational for the development of anonymous electronic cash systems. His work led to the creation of DigiCash in 1989, one of the earliest forms of digital currency focused on user privacy.
* Influence on Modern Cryptocurrencies: Although Chaum's DigiCash was not a blockchain-based system, his concepts of privacy and anonymous transactions greatly influenced the development of later cryptographic currencies and protocols, including Bitcoin.
Therefore,A. David Chaumis the correct answer, as he pioneered the use of blind signatures for anonymous digital currency.

NEW QUESTION # 52
These wallets contain randomly generated private keys and are also called just a bunch of key wallets.

A. Brain Wallets
B. Hierarchical Deterministic Wallets
C. Deterministic Wallets
D. Non-Deterministic Wallets

Answer: D

Explanation:
Non-Deterministic Wallets, also known as"Just a Bunch of Keys" (JBOK)wallets, contain randomly generated private keys that are not derived from a single seed. In this type of wallet, each key is created independently and must be backed up individually, as there is no way to recover keys through a mnemonic seed phrase.
Key Details:
* Random Key Generation: Non-Deterministic wallets generate private keys independently, without a hierarchical or sequential structure. As a result, each key is standalone, and losing a key means losing access to the corresponding funds permanently.
* Backup Requirements: Since each key is unique and unrelated, Non-Deterministic wallets require separate backups for each key. This differs from Hierarchical Deterministic wallets, which can be restored using a single seed phrase.
* Use Case: These wallets were more common in the early days of cryptocurrency, but they are less favored today due to the convenience and recoverability provided by deterministic wallets.
In conclusion,C. Non-Deterministic Walletsis the correct answer, as it refers to wallets that contain randomly generated private keys and are known as JBOK wallets.

NEW QUESTION # 53
Distributed ledger technology or DLT is a word used to describe technologies which store, distribute and facilitate the exchange of value between users, either privately or publicly.

A. Distributed Ledger Technology
B. Cryptocurrency
C. Consensus Mechanisms
D. Blockchain

Answer: A

Explanation:
Distributed Ledger Technology (DLT)is the correct term used to describe technologies that store, distribute, and facilitate the exchange of value between users, either privately or publicly. DLT encompasses various types of systems, including blockchains, that operate in a decentralized manner to record and synchronize data across multiple locations.
Key Details:
* Definition of DLT: DLT is a digital ledger system that allows data to be stored across multiple nodes in a network. It ensures that all copies of the ledger are updated and synchronized, providing a secure and transparent way to record transactions without needing a centralized authority.
* DLT vs. Blockchain: While blockchain is a form of DLT, not all DLTs are blockchains. For example, Directed Acyclic Graphs (DAGs) and Hashgraphs are also types of DLTs but do not necessarily use blocks or chains to organize data.
* Private and Public Implementations: DLTs can be permissioned (private) or permissionless (public), enabling various use cases from enterprise solutions to decentralized public networks.
Therefore,B. Distributed Ledger Technologyis the correct answer, as it broadly defines the technology for storing and distributing data across decentralized networks.

NEW QUESTION # 54
Public blockchains most often use________ as a consensus mechanism.

A. PoS
B. PoET
C. PoB
D. PoW

Answer: D

Explanation:
Public blockchains most commonly useProof of Work (PoW)as their consensus mechanism, especially in well-established networks such as Bitcoin and, until recently, Ethereum. PoW is a protocol that relies on network participants (miners) solving complex mathematical problems to validate and add transactions to the blockchain. This process ensures the integrity and security of the network, as it requires substantial computational power and resources, making it difficult for any single entity to control the blockchain.
Key Details:
* Proof of Work (PoW): PoW, used primarily by Bitcoin, operates by having participants (often referred to as miners) compete to solve cryptographic puzzles. The first to solve the puzzle adds the next block of transactions to the blockchain and is rewarded with newly minted coins. This system is energy- intensive but is widely recognized for its security and resistance to tampering.
* Transition in Other Networks: While Ethereum initially used PoW, it transitioned toProof of Stake (PoS)in 2022 with Ethereum 2.0, due to PoS's lower energy requirements and increased scalability.
However, Bitcoin, the most prominent public blockchain, still relies on PoW.
* Other Consensus Mechanisms: Alternatives such asProof of Stake (PoS)andProof of Burn (PoB)are used by other blockchain networks that aim for different trade-offs in terms of energy efficiency, scalability, and security.Proof of Elapsed Time (PoET)is another mechanism mostly associated with permissioned (private) blockchains rather than public blockchains.
* Why PoW for Public Blockchains?: Public blockchains prioritize decentralization and security. PoW provides a robust way to achieve this, despite its high energy consumption. Its high level of security and historical success in Bitcoin's network often make it the go-to choice for public blockchains.
In summary, the dominance of PoW in public blockchains is due to its established security and proven track record, although PoS and other mechanisms are increasingly gaining popularity for their efficiency in newer blockchain projects.

NEW QUESTION # 55
When you purchase bitcoins, how are they stored?

A. As a file
B. In an exchange
C. In a bitcoin wallet
D. As a hash

Answer: C

Explanation:
When you purchase bitcoins, they are storedin a bitcoin wallet. A bitcoin wallet is a digital tool that stores the cryptographic keys necessary to access and manage your Bitcoin holdings. It does not store physical bitcoins but instead holds the keys to access them on the blockchain.
Key Details:
* Functionality of Bitcoin Wallets: Bitcoin wallets manage private and public keys. The private key is required to sign transactions, while the public key generates addresses that allow for receiving bitcoins.
Without access to the private key, the user cannot spend or transfer their bitcoins.
* Types of Bitcoin Wallets: Wallets can be software-based (such as mobile or desktop apps) or hardware- based (physical devices like a Ledger or Trezor). There are also online (custodial) wallets provided by exchanges, but these still technically store bitcoins within a wallet.
* Not a Physical Storage: Bitcoins do not exist as physical files or objects. The wallet is an interface that interacts with the blockchain, where the actual records of ownership are maintained.
Thus,D. In a bitcoin walletis the correct answer, as bitcoins are stored in wallets that hold the keys necessary to interact with the Bitcoin blockchain.

NEW QUESTION # 56
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يزنس سكوير، دلتا فلاورز، شارع حافظ رمضان، بجانب سيتي سنتر مول

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