312-82 Practice Test Questions Answers Updated 52 Questions
312-82 dumps & Blockchain Fintech Sure Practice with 52 Questions
NEW QUESTION # 22
A____does not result in a new chain and does not require client nodes to upgrade.
- A. Hard fork
- B. Side chain
- C. Dependent chain
- D. Soft fork
Answer: D
Explanation:
Asoft forkis a change to a blockchain protocol that is backward-compatible, meaning it does not result in the creation of a new chain and does not require all client nodes to upgrade. Nodes that do not upgrade can still participate in the network, although they may not have access to all new features introduced by the soft fork.
Key Details:
* Backward Compatibility: In a soft fork, updated nodes enforce the new rules, while non-updated nodes continue to follow the older protocol but remain part of the same blockchain. This contrasts with hard forks, where incompatibility leads to the creation of a new chain.
* Use Cases: Soft forks are commonly used to implement protocol upgrades or adjustments that do not fundamentally alter the structure of the blockchain, such as increasing block size limits or adding new features that are optional.
* Examples: An example of a soft fork is the Segregated Witness (SegWit) update on the Bitcoin blockchain, which was implemented to increase block capacity without splitting the chain.
Thus,B. Soft forkis the correct answer, as it refers to a backward-compatible update that does not require a new chain or mandatory upgrades from all nodes.
NEW QUESTION # 23
_______implements the interledger protocol, which facilitates interoperability across different distributed and non-distributed ledger networks.
- A. Composer
- B. Cello
- C. Quit
- D. Caliper
Answer: C
Explanation:
The answer is(C) Quilt.
Hyperledger Quilt is a Java implementation of the Interledger Protocol (ILP). ILP is designed to transfer value across different ledgers, whether they are distributed ledgers (like blockchains) or traditional non-distributed ledgers.
Here's why the other options aren't the best fit:
* Composer:Hyperledger Composer was a tool for building blockchain applications, but it has been deprecated.
* Cello:Hyperledger Cello aims to provide a modular blockchain platform, making it easier to deploy and manage blockchain networks.
* Caliper:Hyperledger Caliper is a benchmarking tool used to measure the performance of different blockchain implementations.
Quilt's primary function is to enable interoperability between different ledger systems, which is crucial for the broader adoption and integration of blockchain technology.
NEW QUESTION # 24
In this method users permanently destroy a certain quantity of bitcoin in proportion to the quantity of altcoin to be demand. What is this method?
- A. Side-chaining
- B. Proof of ownership
- C. Proof of Burn
- D. Side block
Answer: C
Explanation:
Proof of Burn (PoB)is a consensus mechanism where users permanently destroy (or "burn") a certain quantity of cryptocurrency, such as Bitcoin, to gain the right to mine or acquire an altcoin. This process proves commitment to the network and secures it by effectively sacrificing one asset to obtain another.
Key Details:
* Burning Process: In PoB, participants send a certain amount of cryptocurrency to an unspendable address, effectively removing it from circulation. This act serves as proof that they have invested in the network by reducing the supply of the original cryptocurrency.
* Purpose and Use Cases: PoB is used by networks that want to incentivize long-term commitment and reduce total supply. It is often seen in new blockchain projects that allow miners or users to trade value in established currencies like Bitcoin for the native token of the new network.
* Security: By requiring participants to destroy value, PoB helps prevent spam attacks and promotes network stability.
Therefore,B. Proof of Burnis the correct answer, as it describes the method where users destroy a certain amount of cryptocurrency to receive or mine another asset.
NEW QUESTION # 25
A________in a new chain and requires clients to upgrade in order to participate on the new blockchain.
- A. Hard fork
- B. Soft fork
- C. Sub chain
- D. Sharding
Answer: A
Explanation:
Ahard forkoccurs when there is a fundamental change in a blockchain's protocol, resulting in the creation of a new chain that is incompatible with the previous one. After a hard fork, nodes must upgrade to the new version of the blockchain's software to continue participating in the network. A hard fork can be used to implement new features, fix security issues, or change core aspects of the blockchain.
Key Details:
* Differences from Soft Forks: Unlike a soft fork, which is backward-compatible and allows nodes on the previous version to still participate, a hard fork splits the blockchain into two distinct paths, with the upgraded path requiring new software.
* Examples: Notable hard forks include Bitcoin Cash from Bitcoin and Ethereum Classic from Ethereum. These forks occurred due to disagreements within the community on how to handle certain protocol changes, leading to the creation of separate blockchains.
* Upgrade Requirements: Participants on the blockchain who wish to continue on the new chain after a hard fork must update their software. Those who do not upgrade remain on the original chain, which continues as a separate, incompatible blockchain.
Thus, the correct answer isHard fork (A), as it directly refers to a blockchain split that requires client upgrades for participation.
NEW QUESTION # 26
A________ is a blockchain where participants of the network are already known and trusted.
- A. Hyperledger Fabric
- B. Permission less ledger
- C. Smart contract
- D. Permissioned ledger
Answer: D
Explanation:
APermissioned ledgeris a blockchain where participants are known and trusted, and access to the network is restricted to authorized entities. Permissioned ledgers are commonly used in enterprise and consortium settings where privacy, compliance, and control over data are essential.
Key Details:
* Controlled Access: In a permissioned ledger, only pre-approved participants can validate transactions and participate in the consensus process. This model ensures that all network members are identified and trusted, which is ideal for environments requiring a higher level of control and privacy.
* Use Cases: Permissioned ledgers are widely used in industries such as finance, healthcare, and supply chain, where it's important to know and trust participants due to regulatory or operational needs.
* Contrast with Permissionless Ledgers: Unlike permissionless ledgers (such as Bitcoin), which allow anyone to join and participate in the network, permissioned ledgers restrict participation to entities that meet specific criteria.
Thus,A. Permissioned ledgeris the correct answer, as it describes a blockchain network where participants are known and trusted.
NEW QUESTION # 27
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. Cryptocurrency
- B. Distributed Ledger Technology
- C. Blockchain
- D. Consensus Mechanisms
Answer: B
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 # 28
What is the primary way blockchain could help in the food industry?
- A. Streamlining management
- B. Making transport safer
- C. Eliminating food born illness
- D. Making transaction ore transparent
Answer: D
Explanation:
Blockchain can greatly benefit the food industry bymaking transactions more transparent. By recording each transaction in an immutable ledger, blockchain enables traceability, which is crucial for food safety, quality control, and ensuring that products meet regulatory standards.
Key Details:
* Traceability: Blockchain allows for the tracking of food products from farm to table. Each step in the supply chain can be recorded on the blockchain, providing consumers and regulators with transparent information about the origin and journey of food products.
* Improving Trust and Safety: With transparent transactions, stakeholders can quickly identify and address issues such as contamination, fraud, or mislabeling, which enhances food safety and consumer trust.
* Enhanced Efficiency: By reducing paperwork and enabling digital record-keeping, blockchain streamlines the process of verifying and sharing information about food products across various parties.
Thus,C. Making transactions more transparentis the correct answer, as it highlights blockchain's role in providing transparency in the food industry.
NEW QUESTION # 29
How many bitcoin are available?
- A. It increases each year
- B. 21 million
- C. It fluctuates with demand
- D. 1 million
Answer: B
Explanation:
Bitcoin has a fixed supply limit of21 millioncoins, as defined by its protocol. This cap is coded into Bitcoin's original protocol and cannot be altered without a consensus change, ensuring its scarcity and value proposition as a "digital gold." Key Details:
* Fixed Supply: Bitcoin's supply limit is integral to its design, as it imposes a hard cap on the total number of coins that can ever be mined. This limited supply is one of the factors that gives Bitcoin its deflationary nature and potential as a store of value.
* Mining Schedule: New Bitcoins are released into circulation through mining rewards, which halve approximately every four years (in an event known as the "halving"). This gradually reduces the issuance rate until the maximum supply is reached around the year 2140.
* Difference from Other Cryptocurrencies: Unlike some cryptocurrencies that have flexible or inflationary supply models, Bitcoin's finite supply is a distinguishing feature that appeals to those concerned with long-term value preservation.
Therefore,D. 21 millionis the correct answer, as it accurately reflects the total number of Bitcoin that will ever exist.
NEW QUESTION # 30
What is the primary benefit to patients of blockchain in the healthcare are industry?
- A. Reduced wait times
- B. Improved medical outcomes
- C. Reduced costs
- D. Total control over personal health records
Answer: D
Explanation:
The primary benefit of blockchain in the healthcare industry for patients istotal control over personal health records. Blockchain enables secure, decentralized storage of health data, allowing patients to control access to their information and share it with healthcare providers as needed.
Key Details:
* Data Ownership and Privacy: Blockchain gives patients the ability to own and manage their health records. They can grant or revoke access to different healthcare providers, ensuring that only authorized personnel have access to their data.
* Improved Security: Health records stored on a blockchain are encrypted and decentralized, making them resistant to tampering and unauthorized access. This enhances patient privacy and reduces the risk of data breaches.
* Interoperability and Accessibility: Blockchain facilitates seamless sharing of health records across different healthcare providers and systems, improving coordination and care continuity without compromising data integrity.
Therefore,B. Total control over personal health recordsis the correct answer, as it represents a significant advantage for patients in managing their healthcare information securely.
NEW QUESTION # 31
A Type II DAPP is categorized by its______
- A. Using the block chain of a type I but not the protocol
- B. Using another blockchain such as Ethereum
- C. Using the protocol of a type II DApp
- D. Using the blockchain and protocol of a type I
Answer: D
Explanation:
AType II DAppis a decentralized application that uses both the blockchain and protocol of aType I DApp.
Type I DApps are the foundational blockchain-based platforms, such as Ethereum, that operate with their own blockchain. Type II DApps build on these platforms, using the existing blockchain and protocol, but offering specific functionalities or services.
Key Details:
* Type I DApps: These are fundamental blockchain platforms, like Bitcoin or Ethereum, which have their own blockchain and provide a foundation for other applications.
* Characteristics of Type II DApps: Type II DApps leverage the infrastructure of Type I DApps but add additional functionality through smart contracts or protocols. For example, protocols such asERC-
20 tokensorERC-721 NFTsare built on Ethereum and utilize Ethereum's underlying blockchain and consensus protocol.
* Integration: By utilizing both the blockchain and protocol of a Type I DApp, Type II DApps inherit the security, decentralization, and features of the underlying Type I platform, which simplifies their development and ensures compatibility.
In summary,B. Using the blockchain and protocol of a type Iaccurately describes the categorization of Type II DApps.
NEW QUESTION # 32
________is used to split up the tasks into multiple chunks that are then processed by multiple nodes.
- A. Partitioning
- B. Fragmenting
- C. Parsing
- D. Sharding
Answer: D
Explanation:
Shardingis a scalability technique that splits tasks or data into smaller, more manageable pieces called
"shards." These shards are then processed in parallel by multiple nodes in a network. By dividing the workload, sharding can significantly enhance the efficiency and speed of blockchain networks, which is especially beneficial for handling large transaction volumes and complex computations.
Key Details:
* Purpose of Sharding: The main goal of sharding is to address blockchain scalability issues. By enabling the network to process transactions and data in parallel, it reduces the load on individual nodes, thus increasing the overall throughput of the blockchain.
* How Sharding Works: In a sharded blockchain, each node only needs to process a portion of the total data rather than every single transaction on the network. Each shard is responsible for a subset of data and transactions, and only nodes within a particular shard need to validate its transactions.
* Relevance in Blockchain: Sharding is crucial in large-scale blockchain networks like Ethereum, where high transaction volumes can lead to congestion. Ethereum 2.0, for example, incorporates sharding as a core feature to improve its scalability and transaction processing capacity.
Sharding is, therefore, the correct answer, as it directly refers to the method of dividing tasks for parallel processing in a distributed environment.
NEW QUESTION # 33
Is a Microsoft blockchain development platform that allows the creation of custom private blockchains.
- A. Azure
- B. Corda
- C. Fabric
- D. Sratis
Answer: A
Explanation:
MicrosoftAzureis a blockchain development platform that enables the creation of custom private blockchains.
Azure Blockchain Service provides tools and services that allow organizations to set up and manage consortium blockchain networks, customize smart contracts, and create tailored blockchain applications.
Azure supports multiple blockchain frameworks, includingEthereumandHyperledger Fabric, making it versatile for both private and public network needs.
Key Details:
* Azure Blockchain Service: This service facilitates the deployment of managed blockchain networks on the cloud, leveraging Azure's infrastructure to deliver scalability, security, and reliability for private and consortium blockchain applications.
* Private Blockchain Capabilities: As a private blockchain service, Azure allows businesses to operate their blockchain in a controlled, permissioned environment. This offers greater control over data and participants, making it ideal for enterprise use cases like supply chain management, finance, and legal contracts.
* Blockchain Framework Compatibility: Although Azure supports a variety of blockchain protocols, it primarily focuses on private blockchain deployments, allowing for detailed control over network participants and data visibility.
In summary, Microsoft Azure stands out as a flexible and comprehensive platform for private blockchain development, catering to enterprises with tailored solutions and extensive cloud-based services.
NEW QUESTION # 34
A________represents a transfer of value from one address to another, Transaction in a blockchain network can be defined also as a record of an event or the ''transfer of value from one account to another''
- A. transaction
- B. Hash function
- C. Block
- D. Signature
Answer: A
Explanation:
In blockchain terminology, atransactionrepresents the transfer of value from one address to another. Each transaction is recorded on the blockchain as an immutable entry, often representing a movement of digital assets or a record of an event.
Key Details:
* Nature of Transactions: A blockchain transaction involves a digital asset or token being sent from one blockchain address (wallet) to another. The transaction is broadcast to the network, validated by nodes, and then recorded on the blockchain ledger.
* Transfer of Value: Blockchain transactions serve as proof of the transfer of value, which could represent cryptocurrency movement, digital asset exchange, or a specific record of an event, depending on the blockchain's purpose.
* Inclusion in Blocks: Each transaction is grouped into blocks, which are then cryptographically linked together, forming the blockchain. This ensures all transactions are secure, traceable, and verifiable.
Thus,D. Transactionis the correct answer, as it describes the fundamental concept of transferring value on a blockchain.
NEW QUESTION # 35
The right to publish a new block is determined by ________
- A. Transaction history
- B. Nodes proof of work
- C. Position in the blockchain
- D. Nod's current investment in the blockchain
Answer: B
Explanation:
The right to publish a new block is commonly determined byProof of Work (PoW)in blockchain networks like Bitcoin. In PoW, network nodes, known as miners, compete to solve a cryptographic puzzle. The first node to successfully solve it gains the right to add a new block to the blockchain.
Key Details:
* Proof of Work Mechanism: Miners perform computational work to solve a hash puzzle, which proves that they have expended effort. This process ensures that blocks are added in a way that is resistant to tampering and fraud.
* Reward System: The miner who successfully publishes a new block receives a block reward (in Bitcoin, for example), incentivizing miners to participate in maintaining the blockchain network's security.
* Alternative Mechanisms: Other consensus mechanisms, such as Proof of Stake (PoS), do not rely on computational work but rather on a node's stake or investment in the blockchain. However, in the context of traditional blockchain models like Bitcoin, PoW is the primary method for determining block publication rights.
Therefore,A. Nodes proof of workis the correct answer, as PoW is the standard method by which nodes earn the right to publish new blocks in many blockchain networks.
NEW QUESTION # 36
________are computer programs which facilitate transaction automation and eliminates the need for intermediaries
- A. Distributed Ledgers
- B. Blockchains
- C. Smart contracts
- D. Ledgers
Answer: C
Explanation:
Smart Contractsare self-executing programs that automate transactions and eliminate the need for intermediaries. They operate on blockchain networks and are coded to execute specific actions when predetermined conditions are met.
Key Details:
* Transaction Automation: Smart contracts automatically execute the terms of a contract once the agreed-upon conditions are fulfilled. This reduces manual processing and ensures transparency and trust between parties.
* Elimination of Intermediaries: By running on a decentralized network, smart contracts eliminate the need for third-party intermediaries, such as lawyers or notaries, reducing transaction costs and increasing efficiency.
* Application Across Industries: Smart contracts are used in various sectors, from finance and supply chain to insurance and real estate, due to their ability to enforce terms without human intervention.
Therefore,D. Smart contractsis the correct answer, as they facilitate automated transactions and remove the need for intermediaries.
NEW QUESTION # 37
Which of the following are benefits of blockchain for financial services according to IBM ''Blockchain for Financial Services''?
- A. Automated compliance
- B. Increased customer base
- C. Faster settlement
- D. Streamlined regulations
Answer: A,C
Explanation:
According to IBM's "Blockchain for Financial Services", blockchain offers several benefits, including faster settlement and automated compliance. These features are critical in enhancing the efficiency and reliability of financial services.
Key Details:
Faster Settlement: Blockchain technology enables near-instantaneous settlement of transactions by eliminating the need for traditional intermediaries and reducing processing times, which can speed up transactions significantly compared to legacy systems.
Automated Compliance: Blockchain's transparency and immutability allow for the automatic recording and verification of regulatory requirements. Smart contracts can be used to enforce compliance rules in real-time, ensuring that transactions adhere to regulatory standards without manual intervention.
Impact on Financial Services: These benefits translate to reduced operational costs, improved transaction accuracy, and increased trust between parties, making blockchain an attractive solution for financial institutions.
Thus, A. Faster settlement and B. Automated compliance are the correct answers, as these are specific benefits of blockchain in financial services according to IBM.
NEW QUESTION # 38
These wallets store keys in a tree structure derived from a seed.
- A. Brain Wallets
- B. Deterministic Wallets
- C. Hierarchical Deterministic Wallets
- D. Non-Deterministic Wallets
Answer: C
Explanation:
Hierarchical Deterministic (HD) Walletsare wallets that generate private and public keys in a tree structure, starting from a single seed phrase. This seed phrase can generate multiple key pairs, allowing users to back up and recover all their wallet addresses using one phrase, which enhances security and convenience.
Key Details:
* Tree Structure: HD wallets use a root seed to derive an entire hierarchy of keys. Each branch in the tree can create new sub-branches, generating separate addresses for different transactions without reusing them, which provides better privacy.
* Seed-Based Recovery: Users can restore all wallet addresses with the original seed phrase, making HD wallets more secure and easy to back up compared to non-deterministic wallets, which would require individual backups for each key.
* Compatibility with Blockchain Standards: HD wallets adhere to the BIP32 and BIP44 standards, which outline the derivation paths and formats used by these wallets. This compatibility allows for interoperability among different wallet providers.
In conclusion, Hierarchical Deterministic Wallets (answer B) best describes wallets that store keys in a tree structure derived from a seed.
NEW QUESTION # 39
When using __________ the chain of ownership is established by a chain of digital signatures as each owner signs when transferring ownership.
- A. NFTS
- B. PoET
- C. UTXO
- D. ETHASH
Answer: C
Explanation:
The UTXO (Unspent Transaction Output) model establishes a chain of ownership by using digital signatures.
In this model, each transaction consists of inputs (from previous UTXOs) and outputs (new UTXOs), and ownership is transferred by the current owner signing the transaction. This digital signature is then verified by the recipient, ensuring a secure and traceable chain of ownership.
Key Details:
Functionality of UTXO: UTXO is a fundamental part of Bitcoin's transaction model. When a transaction occurs, it consumes previous outputs as inputs, generating new UTXOs. Each UTXO can only be spent once, and ownership is verified through cryptographic signatures.
Chain of Ownership: The UTXO model inherently creates a clear and verifiable chain of ownership, as each output is signed by the current owner and used as input for future transactions, maintaining a continuous and transparent record of asset transfers.
Security through Digital Signatures: UTXO-based transactions rely on digital signatures to authenticate and authorize asset transfers, ensuring that only the rightful owner can initiate a transaction.
Thus, D. UTXO is the correct answer, as it accurately describes the model where ownership is established through a chain of digital signatures.
NEW QUESTION # 40
Public blockchains most often use________ as a consensus mechanism.
- A. PoB
- B. PoS
- C. PoW
- D. PoET
Answer: C
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 # 41
Ethereum uses_____ as Proof of Work (PoW) whereas Bitcoin uses____based PoW.
- A. PoB BoW
- B. PoW PoB
- C. ETHASH SHA-256
- D. SHAZ56 ETHASH
Answer: C
Explanation:
Ethereum uses Ethashas its Proof of Work (PoW) algorithm, whileBitcoin uses SHA-256for its PoW algorithm. Both are used to secure their respective networks, but they differ in terms of computational complexity and memory requirements.
Key Details:
* Ethash (Ethereum): Ethash is a memory-hard hashing algorithm designed to be resistant to ASIC mining, favoring GPU miners instead. It requires substantial memory, which helps to ensure a higher degree of decentralization.
* SHA-256 (Bitcoin): Bitcoin's SHA-256 is a highly secure hashing algorithm that supports ASIC mining. It is computationally intensive but less memory-demanding compared to Ethash.
* Purpose in PoW: Both algorithms enable miners to validate transactions and secure the network by solving complex puzzles. Ethash's design helps Ethereum maintain a decentralized network, whereas SHA-256 allows Bitcoin to achieve high levels of security with specialized mining equipment.
Therefore,D. ETHASH SHA-256is the correct answer, as these are the specific PoW algorithms used by Ethereum and Bitcoin, respectively.
NEW QUESTION # 42
Self-executing computer programs which facilitate transaction automation and eliminates the need for intermediaries are called what?
- A. Cryptocurrencies
- B. Smart contracts
- C. Distributed ledgers
- D. Bitcoin mining
Answer: B
Explanation:
Smart Contractsare self-executing computer programs that automatically enforce, verify, and facilitate the terms of a contract when certain conditions are met. These programs run on blockchain networks and eliminate the need for intermediaries by automating transactions based on predefined rules coded into the contract.
Key Details:
* Automation and Trust: Smart contracts are crucial in blockchain technology because they enable trustless transactions, meaning parties can transact directly without relying on intermediaries. The code controls the execution, and transactions are transparent and irreversible.
* Use Cases: Smart contracts are foundational to decentralized finance (DeFi) applications, supply chain management, digital identity, and more. They facilitate various operations such as lending, borrowing, insurance, and automated asset transfers.
* Example in Ethereum: Ethereum popularized smart contracts by providing a platform with Turing- complete scripting capabilities. This allowed developers to create sophisticated decentralized applications that execute on the blockchain.
In conclusion,D. Smart contractsis the correct answer as it refers to the technology that automates transactions and eliminates the need for intermediaries.
NEW QUESTION # 43
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