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Difficulty - Medium

Total Plays - 7

Allowed Time - 10 sec

Best time - 10 sec

What does KYT stand for in crypto compliance?

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Explanation:
KYT (Know Your Transaction) tools continuously track wallet and transaction behavior to spot patterns linked to money laundering or terrorist financing. They flag suspicious activity in real time, helping crypto exchanges and institutions stay compliant with global regulations like FATF’s Travel Rule and EU MiCA, which require active monitoring of on-chain transactions for risk assessment and transparency.

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Difficulty - Medium

Total Plays - 6

Allowed Time - 10 sec

Best time - 10 sec

What’s a DAO PM’s biggest challenge in remote teams?

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Explanation:
DAO PMs manage globally distributed contributors — asynchronous updates ensure aligned execution without meetings.

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Difficulty - Medium

Total Plays - 4

Allowed Time - 10 sec

Best time - 10 sec

Which gas pattern reduces redundant SSTOREs?

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Explanation:
State Caching helps optimize gas by storing frequently used state variables in memory instead of repeatedly writing them to the blockchain. Since every SSTORE (state write) costs significant gas, caching reduces redundant storage operations, making smart contracts more efficient and cost-effective.

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Difficulty - Medium

Total Plays - 6

Allowed Time - 10 sec

Best time - 1.077 sec

Which audit confirms token reserves on-chain?

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Explanation:
Proof of Reserves (PoR) is an audit that checks if a crypto exchange truly holds enough on-chain assets to cover all user deposits. It compares wallet balances with total liabilities to confirm solvency. This transparent process builds user and regulatory trust by proving funds actually exist.

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Difficulty - Medium

Total Plays - 4

Allowed Time - 10 sec

Best time - 1.835 sec

Which keyword prevents a function override vulnerability?

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Explanation:
The internal specifier limits access to derived contracts only, reducing attack surface and inheritance misuse.

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DeFiArchitect

@DeFiArchitect • 3mos

From Finance to Blockchain: What’s the Smart Way to Transition as a Business Analyst?

I’ve been a Business Analyst in the finance sector for over four years — mainly focused on process optimization, data modeling, and stakeholder management. But I’m now seriously looking to...

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Tushar Dubey

@DataChainTushar • 3mos

How Do You Balance Automation and Manual Testing in Blockchain Projects?

Our QA team often argues about what to automate in blockchain testing. Unit tests are stable, but once we touch integration or cross-chain flows, we get random RPC errors and...

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Difficulty - Medium

Total Plays - 3

Allowed Time - 10 sec

Best time - 1.498 sec

Which metric best shows DAO member loyalty post-airdrop?

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Explanation:
Retention captures wallet-level engagement and recurring activity — a Tier-2 metric for real community stickiness.

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Difficulty - Medium

Total Plays - 2

Allowed Time - 10 sec

Best time - 3.871 sec

Which Solidity feature is riskiest if misused with delegatecall?

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Explanation:
Delegatecall shares storage between contracts; mismatched layouts can overwrite variables and cause exploits.

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Difficulty - Medium

Total Plays - 4

Allowed Time - 10 sec

Best time - 10 sec

Which testing tool supports property-based fuzzing for Solidity?

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Explanation:
Echidna auto-generates random inputs to stress invariants, uncovering deep logic vulnerabilities.

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SmartChainSmith

@SmartChainSmith • 3mos

Post-Airdrop DAO Growth — How Do You Retain Users Without Incentives?

Our DAO recently completed a major airdrop, and while we saw a huge spike in wallet activity, participation has since crashed by 78% in 30 days. I’m the growth lead...

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MakerInProgress

@MakerInProgress • 3mos

How Should a DAO Growth Manager Define Real Retention After an Airdrop When Wallet Activity Drops Fast?

Our DAO recently ran a big airdrop, and wallet activity fell sharply after about two weeks. As the Growth Manager, I need to define “retention” in a way that reflects...

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CryptoSagePriya

@CryptoSagePriya • 3mos

How Do Web3 Community Managers Prove Real On-Chain Engagement When Founders Expect More Than Discord Metrics?

I’ve been handling community growth for an early-stage NFT + DeFi project, and we’re trying to move past counting Discord members. The founders now want me to “show on-chain engagement,”...

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Web3WandererAva

@Web3Wanderer • 3mos

What’s the Best Way for a Blockchain QA Engineer to Admit Not Knowing an Answer During a Deep Technical Interview?

During a QA interview for a Layer-2 scaling project, I was asked how I’d test Merkle proof verification inside bridge contracts. I’d read about it before, but I couldn’t recall...

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Web3WandererAva

@Web3Wanderer • 3mos

How Should a Web3 Growth Analyst Define Real Post-Token-Launch Retention in India When DAU Drops Hard After Hype?

I’m a Growth Analyst for a DeFi startup focused on the Indian market, and our numbers cratered right after the token launch. DAU slid from 11k to 1.8k within six...

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