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Alexey

@alazium

171 Following
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Alexey pfp
Alexey
@alazium
Security Analysis. STABLE and GENIUS Acts Skynet Certik Quest 2025.07.16 What is a major difference in how the STABLE and GENIUS Acts approach interest on stablecoins? 2: STABLE bans interest; GENIUS is silent What does the STABLE Act say about stablecoins issued by foreign entities? 4: They are allowed with equivalent regulation + U.S. oversight Which of the following is true about reserve disclosure requirements? 3: Monthly public reports + third-party audits + executive attestation How often must state regulators recertify their frameworks under the GENIUS Act? 4: Annually https://skynet.certik.com/quest/stable-and-genius-acts
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Alexey
@alazium
Security Analysis. Proposer/Builder Separation (PBS) Skynet Certik Quest 2025.07.16 What does Proposer-Builder Separation (PBS) aim to achieve? 2: Separate block proposal and transaction selection Which of the following is a risk introduced by PBS? 2: Censorship by builders or relays What is a potential benefit of in-protocol PBS over MEV-Boost? 3: Native enforcement of rules Who competes to build the most profitable blocks in PBS? 4: Builders https://skynet.certik.com/quest/proposer-builder-separation-pbs
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Alexey
@alazium
Project Spotlights - Boosted Edition. EVEDEX - Decentralized Trading Engine on Layer-3 Infrastructure Skynet Certik Quest 2025.07.08 What technology enables EVEDEX's gasless transactions? 2: ERC-4337 Account Abstraction Which security feature eliminates private key risks? 2: Social recovery wallets What does EVEDEX's gamification system reward? Trading, referrals, and education https://skynet.certik.com/quest/evedex-decentralized-trading-engine-on-layer3-infrastructure
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Alexey
@alazium
Security Analysis. Tornado Cash – Post-Sanctions Usage and Risks Skynet Certik Quest 2025.07.05 What does Tornado Cash do? 1: Breaks transaction links for privacy What technology enables Tornado Cash to provide privacy? 3: Zero-Knowledge Proofs What happened after sanctions were lifted in March 2025? 4: Legitimate usage increased, illicit usage decreased What should users be cautious of even after the sanctions were lifted? 2: Interacting with sanctioned entities or wallets https://skynet.certik.com/quest/tornado-cash-post-sanctions-usage-and-risks
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Alexey
@alazium
Project Spotlights · Boosted Edition. EVEDEX - The Hybrid Exchange Revolution Skynet Certik Quest 2025.07.05 What technology enables EVEDEX's gasless transactions? 2: ERC-4337 Account Abstraction Which security feature eliminates private key risks? 2: Social recovery wallets What does EVEDEX's gamification system reward? 2: Trading, referrals, and education https://skynet.certik.com/quest/evedex-the-hybrid-exchange-revolution
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Alexey
@alazium
Security Analysis. Secure Randomness in Smart Contracts Skynet Certik Quest 2025.07.04 Why is randomness difficult to generate securely on-chain? 2: Because smart contracts are deterministic and public What is the primary risk of using predictable randomness in smart contracts? 2: Front-running and manipulation What does Chainlink VRF provide for secure randomness? 3: Random values with cryptographic proofs What is a tradeoff of commit-reveal schemes? 3: Requires multiple steps and user coordination https://skynet.certik.com/quest/secure-randomness-in-smart-contracts
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Alexey
@alazium
Security Analysis. Cork Protocol Incident Analysis (May 28, 2025) Skynet Certik Quest 2025.07.04 What was the root cause of the Cork Protocol exploit? 1: Lack of parameter validation in hook contracts What does Cork Protocol use to hedge depeg risk? 3: Cover Tokens and Depeg Swaps What is a ‘hook’ in Uniswap v4? 4: An external smart contract attached to a pool How can users spot risky protocols? 3: If they use unvalidated external contracts and hooks https://skynet.certik.com/quest/cork-protocol-incident-analysis-may-28-2025
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Alexey
@alazium
Security Analysis. Understanding Bitcoin Locktime Skynet Certik Quest 2025.07.04 What does Bitcoin locktime do? 2: Delays transaction confirmation until a set time/block Which feature is made possible with locktime? 2: Time-delayed payments or transaction scheduling What’s a key difference between absolute and relative locktime? 3: Relative locktime depends on previous transaction timing Why is locktime important in the Lightning Network? 4: It supports secure channel closures and penalty mechanisms https://skynet.certik.com/quest/understanding-bitcoin-locktime
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Alexey
@alazium
Security Analysis. Slashing and Validator Security in PoS Chains Skynet Certik Quest 2025.07.02 What is the primary purpose of slashing in PoS networks? 1: Punish malicious or faulty validator behavior Which of the following is a common slashing offense? 2: Double-signing blocks Why should delegators care about slashing? 3: Because they may share losses if their validator is slashed Where can users track validator slashing events? 2: Block explorers and validator dashboards https://skynet.certik.com/quest/slashing-and-validator-security-in-pos-chains
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Alexey
@alazium
Security Analysis. Wrench Attacks in Crypto Skynet Certik Quest 2025.07.02 Why are wrench attacks becoming more common? 3: On-chain wealth is transparent and crypto is irreversible Which of the following is NOT a good way to reduce wrench attack risks? 2: Posting wallet balances online How does a multisig wallet help defend against wrench attacks? 2: It prevents any single person from accessing funds alone What is the primary benefit of using time locks in smart contracts? 3: Buys time before large withdrawals execute https://skynet.certik.com/quest/wrench-attacks-in-crypto
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Alexey
@alazium
Security Analysis. H1 2025 CertiK Hack3d Report Skynet Certik Quest 2025.07.02 What was the most costly attack vector in Q2 2025? 3: Phishing Which two incidents accounted for approximately $1.78 billion in losses in H1 2025? 1: Bybit and Cetus What was the total amount lost to hacks, scams, and exploits in the first half of 2025? 3: Over $2.47 billion https://skynet.certik.com/quest/h1-2025-certik-hack3d-report
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Alexey
@alazium
Security Analysis. Distributed Key Generation (DKG) Skynet Certik Quest 2025.06.30 What is the main purpose of Distributed Key Generation (DKG)? 1: To generate a shared private key without any single party knowing it What problem does Feldman’s Verifiable Secret Sharing solve? 1: A dealer might give out inconsistent or invalid shares In Shamir’s Secret Sharing, what is required to reconstruct the secret? A threshold number of shares (t of n) Which of the following is a key benefit of DKG in cryptographic systems? 3: Eliminating single points of failure https://skynet.certik.com/quest/distributed-key-generation-dkg
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Alexey
@alazium
Security Analysis. Flash Loan Attacks and Protocol-Level Defenses Skynet Certik Quest 2025.06.30 What makes flash loans especially dangerous when abused? 1: They let attackers act with large sums instantly and risk-free Which of the following is a common cause of flash loan exploits? 2: Weak oracles and logic assumptions How can developers defend against flash loan attacks? 3: Use time-weighted average prices and oracle feeds Which signal might indicate a flash loan attack in progress? 3: Sudden large loans and multi-protocol interactions in a single transaction https://skynet.certik.com/quest/flash-loan-attacks-and-protocol-level-defenses
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Alexey
@alazium
Project Spotlights. Qubic - World Record Fastest Blockchain Ever Skynet Certik Quest 2025.06.30 What is the peak Transactions Per Second (TPS) rate Qubic achieved to become the fastest blockchain? 3: 15.52 million TPS Qubic achieves its speed by bundling processes into atomic units called? 2: Ticks Why is 15.52 million TPS critical for future applications? 2: To support real-time decentralized AI/AGI https://skynet.certik.com/quest/qubic-world-record-fastest-blockchain-ever
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Alexey
@alazium
Security Analysis. Mobius Token Exploit: Security Awareness Module Skynet Certik Quest 2025.06.17 How much BNB did the attacker use to mint excessive MBU tokens? 3: 0.001 BNB What tool did the attacker use to obscure the fund trail post-exploit? 4: Tornado Cash As of May 2025, how many unaudited projects suffered exploits due to code vulnerabilities? 3: 46 What is a recommended measure to prevent such exploits in DeFi projects? 2: Conduct thorough smart contract audits https://skynet.certik.com/quest/mobius-token-exploit-security-awareness-module
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Alexey
@alazium
Security Analysis. Sola Incident Analysis Skynet Certik Quest 2025.06.17 What was the root cause of the Sola exploit? 4: Public withdraw function with no access control How did the attacker receive USDT before delivering SOLA in the swap? 3: Via a flash swap What tool did the attacker use to launder funds after the exploits? 1: Tornado Cash What function was used to extract tokens from the victim contract? 2: withdrawToken() https://skynet.certik.com/quest/sola-incident-analysis
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Alexey
@alazium
Security Analysis. Mastering DexScan for Crypto Traders Skynet Certik Quest 2025.06.15 What is the main advantage of using DexScan? 2: Monitoring decentralized exchanges across blockchains What does the Top Traders section show? 4: Profitable trader wallets and their trading history What metric helps identify healthy liquidity pools? 2: Pool TVL, FDV, and 24H Transactions What is a risk of following only Trending Pairs? 3: Trending doesn’t mean fundamentally strong https://skynet.certik.com/quest/mastering-dexscan-for-crypto-traders
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Alexey
@alazium
Project Spotlights. MoonCat AI | AI-Governed DeFi with Zero-Fee Staking on UniChain Skynet Certik Quest 2025.06.11 What makes MoonCat AI’s staking system unique compared to traditional DeFi platforms? 2: It offers zero fees and dynamically adjusts APR based on AI-analyzed market conditions. What does MoonCat AI do to prioritize security? 1: By undergoing CertiK security audits and obtaining a Team Verification badge What security architecture does MoonCat AI use to protect user funds? 2: Gnosis Safe multisig wallets with 48-hour timelock controllers and role-based access How does MoonCat AI's governance system help non-technical users participate? 2: Through AI-powered proposal analysis that rates security, economic impact, and alignment https://skynet.certik.com/quest/mooncat-ai
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Alexey
@alazium
Security Analysis. The Altcoin Season Index Skynet Certik Quest 2025.06.06 What value of the Altcoin Season Index signals Altcoin Season? 3: 75–100 What does the index measure? 3: The number of top 50 altcoins outperforming Bitcoin over 90 days Which of the following is a security risk during Altcoin Season? 2: Increased phishing and rug pulls Which tool should be used alongside the Altcoin Season Index? 2: Bitcoin Dominance https://skynet.certik.com/quest/the-altcoin-season-index
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Alexey
@alazium
Security Analysis. AI Agents in Cryptocurrency Skynet Certik Quest 2025.06.06 What is a primary function of AI agents in crypto? 3: Autonomous decision-making based on data One key security risk of AI agents is: 1: Expanded attack surface due to complex logic What data sources do AI agents commonly use? 2: Oracle feeds and on-chain data Why are AI agents significant in crypto's future? 3: They enable automation and scale in DeFi https://skynet.certik.com/quest/ai-agents-in-cryptocurrency
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