Web 3.0 Ecosystem and Components BDC Practice Questions (Page 7)

Questions 31–35

1. 31application · medium

   A new blockchain project is launching a governance token. The team wants to ensure that the community, not the founders, has the final say on protocol upgrades. They also want to incentivize users to participate in the network by validating transactions. Which group of ecosystem participants should be given the governance token?

   • AA group of external investors who have a financial interest in the project's success.
   • BGovernance token holders, who will vote on proposals and shape the future direction of the protocol.
   • CMiners/validators only, who secure the network and should therefore control governance.
   • DOnly the founding team, who will make all decisions to ensure the project stays on track.
   Reveal Solution Discussion Select an answer first
2. 32application · medium

   A gaming company wants to introduce true ownership of in-game items. Players should be able to trade items with each other outside the game's marketplace and verify the rarity and history of an item. Which Web3 approach should the company adopt?

   • AStore item ownership in the game's central database and allow trading only through the game's official API.
   • BRepresent in-game items as non-fungible tokens (NFTs) on a blockchain, allowing players to trade them in any compatible marketplace.
   • CIssue a fungible token for each item type and let players trade them on a DEX.
   • DUse a centralized server to track item ownership and provide a public API for verification.
   Reveal Solution Discussion Select an answer first
4. 33foundation · easy

   Which property of a blockchain ledger is most essential for Web3 applications?

   • AThe ability to modify past records to correct errors.
   • BA transparent and tamper-resistant record of transactions.
   • CA single point of control to ensure data consistency.
   • DThe ability to store large files directly on-chain.
   Reveal Solution Discussion Select an answer first
5. 34application · medium

   A team is building a dApp that lets users vote on community proposals. The frontend needs to authenticate users and sign transactions without forcing them to create a new account or manage server-side sessions. The team wants to minimize friction for users who already hold tokens. Which approach should the team implement?

   • AGenerate a new blockchain address for each user and email them the private key for safekeeping.
   • BIntegrate a Web3 wallet provider such as MetaMask so users sign messages and transactions with their existing private keys.
   • CStore users' private keys in the dApp's backend database and use them to sign transactions on behalf of users.
   • DCreate a centralized authentication server that issues JWT tokens after users log in with email and password.
   Reveal Solution Discussion Select an answer first
6. 35application · medium

   A user is concerned about a social media platform selling their personal data and is looking for an alternative where they control their identity and data. They want to log in to different applications without creating a new profile each time. Which Web3 concept directly addresses this concern?

   • AA social media platform that promises not to sell data but stores all user information in its own database.
   • BA centralized identity provider that stores user profiles and shares them with partner applications.
   • CA single sign-on (SSO) service that uses email and password to authenticate users across websites.
   • DSelf-sovereign identity managed by a Web3 wallet, where the user's public address serves as their identifier across applications.
   Reveal Solution Discussion Select an answer first