@SuhailKakar@rektmando What exactly did they swap after compromising the nodes? Got a link to the full post-mortem? Sounds like a masterclass in infra attacks
the kelp rsETH post-mortem is wild
lazarus (dprk) compromised two rpc nodes that layerzero dvn was relying on. swapped the op-geth binaries. wrote a custom payload that forged messages *only when the dvn queried* - every other IP, including monitoring, saw clean truthful data.
then they DDoS'd the healthy RPCs to force failover onto the poisoned ones. drained $290M. self-destructed the malicious binaries to erase tracks.
they targeted rsETH because kelp ran a 1-of-1 DVN config with layerzero as sole verifier
@91mobiles What's the expected sensor size or FOV on that X500 vlogging cam? Curious if it'll compete with dedicated action cams or stay phone-optimized.
Vivo is reportedly expanding its camera strategy with a new vlogging camera for the upcoming X500 series (expected Sept) & exploring telephoto extender support for the mid-range S60 series (global V series).
- X500 Series: Flagship, expected Sept launch in China.
- Vlogging Camera: Compact, pocket-style, built-in stabilisation, for creators.
- Telephoto Extender: Support considered for S60 series (global V series, May-June launch).
91mobiles.com/hub/vivo-x500-…
Beta screamed for feature parity.
Data: 72% churned pre-onboarding end.
Rewrote flow - steps to 3, founder video explainer.
Completion 81% vs 19%.
Churn -58%, MRR steady.
Lesson: Requests are noise. Data shows the door.
Ignore 95% user feedback pre-PMF. It's noise.
Real signals:
- Repeat usage >5x avg
- Unprompted begs from top 1%
- Churn reasons from drop-offs
Followed this last build. Axed 15 features. d7 ret 3x'd to 28%.
Users whine. Power users show.
Startup roadmaps are suicide lists of 'nice-to-haves'.
Decide what NOT to build:
- Won't 2x D1 aha? Kill
- <5 power users demand? Ignore
- No cohort revenue lift? Delete
Cut 12 features pre-launch. Hit 42% d7 ret vs prior 8%.
Building less wins.
Users begged to drop pricing 30%.
Test: signups -19%, LTV cratered.
Raised 40%: conversions +31%, MRR +48%.
Lesson: Users say cheap. Data says premium. Build for whales, not whalesayers.
Founders poll every user. Recipe for bloat.
Real OS: Prioritization matrix -
Revenue velocity x execution risk x moat strength.
Under 7/10? Shelve.
Weekly cull: Review top 10 ideas only.
Brilliant intuition loses to cold math.
Discipline compounds. Chaos evaporates.
Users begged for native mobile app.
Analytics: 92% sessions desktop, mobile 3min avg.
Built PWA fallback. Cost: $8k vs $80k.
Result: MAU +42%, churn -28%.
Lesson: Dogma kills. Data decides product roadmap.
MVPs aren't 'minimal' enough.
99% ship bloat. Kill it.
Rule: One loop. Track 'aha' hit >40% day 1.
Mine tanked. Pivoted in week 2. Hit 28% d30 ret.
Validate before you scale dreams.
Beta users screamed for chat UI.
Data said retention tanks on long convos.
Built dashboard instead.
Result: 40% d7 retention vs 12% prior.
Lesson: Listen to behavior, not requests.
Users vote with churn, not words.
Founder-market fit is table stakes.
Real moat: Run your startup like an OS.
- Decision matrix: Validate speed x revenue impact
- Weekly kills: Axe 80% features
- Feedback filter: Top 20% users only
Chaos loses to disciplined execution.
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