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mango.hl
445 posts

mango.hl
@dev_pom
beer enjoyer • car enthusiasts • building @bullpenfi
Katılım Mayıs 2013
467 Takip Edilen500 Takipçiler

I love how @Trading212 is trying to make investing easy and accessible, but damn, possible one of the worst app UXs out there
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How is it that every time i attempt to buy flights, the BA website is down... @British_Airways Unacceptable, so easy to get this right

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Ansem announces his $100,000 @MarketBubble Invitational
"If you want to win up to $100,000 and think you can beat me, we're launching that"
Apply for the competition 👇
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LIVE W/ MIZKIF: Market Bubble EP 2 - Presented by @Polymarket x.com/i/broadcasts/1…
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@guywuolletjr @BullpenFi : hyperliquid spot XAUT0 and XYZ:GOLD-USDC perp up to 25x
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Market Bubble: EP 1 — Presented by @Polymarket x.com/i/broadcasts/1…
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Jane Street made ~$40B in 2025 with 3,500 employees, a ~2x from the year before.
At ~65-70% profit margin, that's $8M profit / employee, the highest for a 1000+ ppl company. High-frequency trading continues to be the most efficient money making engine.
I want to share an old story about my Jane Street interview in 2014. Jane Street was known for hiring a lot of math, physics and CS olympiad winners from top universities and putting them through many rounds - including, for trading roles, a gauntlet of mental math. It was my 6th interview and my final round and I recall being asked "What is the next day after today in DD/MM/YYYY where all the digits are unique?" They'd toy with you and say "You can use a pencil and paper, if you want" but you knew that was an instant no. Painstakingly and as quickly as I could, I came to an answer. "How confident are you that this is correct on a 0-1 probability scale?" the interviewer said. "0.95", I blurted out, not fully knowing how to answer that. "Are you sure?" After thinking harder for a few more seconds, I realized I could've flipped the digits around to get a closer date. I gave the interviewer my answer. It was correct. "0.95 huh?" he chuckled. That's when I knew I failed.
Note: fwiw, other companies that come close in efficiency are
- Tether ($90M+ profit/emp)
- Hyperliquid ($80M+ profit/emp)
and on revenue:
- Valve ($50M/emp)
- OnlyFans ($37M/emp)
- Craigslist ($14M/emp)
- Anthropic ($12M/emp, run rate)
- OpenAI ($8M/emp, run rate)
For comparison, Nvidia is very efficient at scale and is $4.4M/emp.

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Bullpen is #3 on @Polymarket's 24H builders leaderboard🥳
copy trading, wallet analytics, whale tracking, & mobile app alerts all live
builders.polymarket.com

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Polymarket's V2 exchange upgrades go live April 22nd. The upgraded exchange is now open to all for testing.
🚨 If you use our API or clients, there's migration work to do before then:
→ Upgrade your SDK/ API integration
→ New exchange contract addresses & order struct
→ Collateral moves to pUSD (wrap USDC.e via the Collateral Onramp)
We expect ~1 hour of downtime on April 22nd at ~11am UTC. Open limit orders will be cancelled during the switch. Funds and positions are safe.
Please note that the V1 exchange will stop working after the migration.
Migration guide: docs.polymarket.com/v2-migration
Security: Our CTFv2 contracts are open sourced & audited by Cantina + Quantstamp. $5 million bug bounty program is live on Cantina: cantina.xyz/bounties/ff945…
Changelog: docs.polymarket.com/changelog
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Stop scrolling. This might be one of the most important thing happening on Hyperliquid right now and almost nobody is talking about it.
What you're looking at is the first independent client achieving block hash parity with Hyperliquid validators.
For non-technical people: Hyperliquid hasn't open-sourced its node client. The code that runs the network is a compiled binary, a black box. @androolloyd took that black box, 87MB of machine code with no documentation, and reverse-engineered it using AI and Ghidra. He decoded every formula, every structure, every protocol. Then he built his own client from scratch that produces the exact same results as the official validators. 3/3 match.
For technical people: full verification chain cracked. keccak256 on raw msgpack for block response hashes. blake3 keyed for consensus transactions. LtHash16 with SSE2 paddw across 14 accumulators (11 L1 + 3 EVM) finalized with SHA-256 for state hashing. All reproduced independently from a stripped ELF binary with zero source code.
What this means: anyone can now verify the Hyperliquid chain independently without trusting the official binary. This is the foundation for a truly decentralized validator set where operators don't depend on one codebase. Independent implementations make the network stronger, more resilient, and harder to compromise.
The team didn't open-source the client. So someone reverse-engineered it and built one anyway. That's the kind of ecosystem Hyperliquid has.
I'll be covering this work in depth over the coming days to make sure everyone understands the magnitude of what's being built here.
Legendary work happening in real time.
Hyperliquid.
androolloyd.hl@androolloyd
We have achieved block hash parity, lots to do still but the end zone fees in sight.
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S&P Dow Jones Indices and trade[XYZ] have joined forces to launch the first official S&P 500 perpetual contract, available exclusively on Hyperliquid.
For 69 years, the S&P 500 has been a defining reference point for global finance. Until now, access to that benchmark has been shaped by market hours, intermediaries, and geography. Today, that changes.
The S&P 500 perp is now available 24/7/365, anchored by the official index data required for deep liquidity and institutional confidence at scale.
SPDJI helped define modern indexing. They are stewards of an iconic benchmark, the standard against which portfolios across the globe are measured. We are honored to bring that legacy on-chain.
Trade[XYZ] is bringing the world's most iconic assets towards a future of global, continuous markets — a future powered by Hyperliquid.
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