2.0
2026-05-21
> Breaking incidents, improved — Better live/recent incident discovery, clearer briefings, and easier rediscovery from the archive.
> Completed deep dives show as finished challenges and appear in your progress history.
> Three Home Screen widgets — Glossary, Exploits, and Checklist widgets now cover more of the app, with better layouts, rotation controls, and deep links.
> Chain Guide upgrades — Sort chains faster, scan updated details, and get clearer context around decentralization, privacy, and centralized-exchange risk.
> Build lab polish — A cleaner lesson layout gets you to the code faster while keeping the guided context close by.
> More current reference material — Refreshed glossary, reference, and exploit content make the app feel more useful as a daily study and security reference.
1.9
2026-05-14
- Build is now our in-app coding lab, with guided Rust lessons, a more visible entry point in Practice, and direct handoff from related exercises into matching Build lessons.
- Added new real-world exploit and CVE content, including PAN-OS User-ID Authentication Portal (CVE-2026-0300), cPanel & WHM (CVE-2026-41940), TanStack npm Supply Chain, Ivanti Endpoint Manager Mobile (CVE-2026-6973), Grok Bankrbot Morse-Code Prompt Injection, TrustedVolumes RFQ Proxy Drain, and 1inch Fusion V1 Settlement.
- Expanded exploit browsing and study coverage, so newer incidents are searchable, browsable, and tied into the real-world incident catalog more cleanly.
- Widgets now cover three experiences: Glossary, Exploits, and Checklist Progress.
- Updated widget functionality with manual rotation, a new Every 15 minutes rotation option, improved compact layouts, better deep links, and more reliable shared rotation state.
- Improved glossary and reference content, including new glossary terms and stronger deep links from widgets into full in-app content.
- Added more checklist and sharing polish, including hint-level share/copy support and better widget syncing for checklist progress.
- Refreshed references and learning content across chains, wallets, and security material so more of the catalog feels current and easier to browse.
1.7
2026-04-18
Memory exam card polish, plus new incident packs for Rhea Finance, Hyperbridge, Fortinet EMS, and wolfSSL (CVE-2026-5194). Expanded exercises, glossary entries, Solana material, Solidity EVM crypto snippets, and ZK proof content.
1.6
2026-04-09
Deep Dive polish — Faster navigation, a new favorites shelf, smoother customization, and added contract links and papers.
Practice filters — Hide and reorder chips so it is easier to focus on the topics you want.
More real-world learning — New exploit content, glossary links, and refreshed security packs.
1.5
2026-04-01
• **Operator profile** — Pick your callsign in onboarding. It appears in scenarios, War Rooms, and Stats.
• **Deep Dive Hub** — Home is now a launchpad. Curated tracks for Web2, Web3, Rust, ZK, and Trading. Recommended row based on your weak areas. Build your own from bookmarks or missed questions.
• **Memory-match exam** — New exam mode: flip cards and match terms across Opcodes, EIPs, Security Terms, DeFi, and more.
• **Glossary test** — Test yourself on term definitions in any domain directly from the Exam tab.
• **Safety checklists** — OpSec, Wallet & Web3, Protocol Reading, and Emergency Response checklists on Home.
• **Starred exploits** — Favorite incidents in Real World Exploits and jump back with a starred-only filter.
1.3
2026-03-24
Free to download. Unlock all content with a one-time $4.99 purchase. Try Rust, Solidity, Exploits, and DeFi for free—no account required.
• Ops & War Rooms — Consequence-based narrative sessions: Thriller mode (limited lives, story-driven) and War Room (real-incident timeline simulations). Earn scenario badges.
• Bitcoin domain — First-class domain with subdomain filters: Basics, Script, Consensus, Lightning & L2.
• Protocol Patterns — DeFi architecture reference in More tab. Practice patterns with tagged questions.
• EIP Atlas — Searchable standards (ERC-20/721/4626, ERC-4337, EIP-712, etc.). "Practice this EIP" routes to tagged questions.
• Real World Exploits browse — Searchable incidents list. Tap row → detail → practice with full incident sessions.
• Solidity antipatterns — Dedicated snippet set, EIP antipatterns field.
• Trading Strategies subdomain chips — Arbitrage, Market Making, MEV, Execution, Risk Management.
• Web2 exploits — Log4Shell, Heartbleed, SolarWinds, buffer overflows, path traversal, SSRF.
• Cryptography subdomain — New Cybersecurity chip for crypto-focused practice.
• Assembly / Yul — Solidity subdomain for inline assembly questions.
• Rust Performance — New subdomain chip and gap-fill content.
1.2
2026-03-18
Free to download. Unlock all content with a one-time $4.99 purchase. Try Rust, Solidity, Exploits, and DeFi for free - no account required.
• Subdomain filters - Filter by topics like Reentrancy, Oracle, and Basics in Rust, Solidity, DeFi, and Exploits.
• New questions & real exploits - Aave + CoW Swap (~$50M), Aave wstETH CAPO (~$26M), Cetus Protocol ($223M, Sui), KiloEx oracle, and more. "In the wild" callouts link each exploit to verified incidents.
• Spaced repetition - Questions you miss are resurfaced at intervals to strengthen weak areas.
• Premium onboarding - Premium users can select ZK Proofs during onboarding.
1.1
2026-03-16
• On-chain feedback — Submit feedback via WalletConnect (Base or Ethereum). View your feedback on block explorers.
• Stats badges — See all tier badges (Pro, Expert, Zero Day Master), domain certifications, and achievements with lock/unlock state.
• Lightning Round — Now interactive-only (tap, swipe, drag, match) with up to 50 questions per run.
• New content — 9 new domains (cybersecurity, DeFi, trading, ZK proofs, and more) plus Snowden, Wireshark, and trading questions.
• Bookmarks — Quick "Practice bookmarked" flow from saved questions.
• UX hints — Code wrap and Glossary tips when you need them.