Papertrade
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anchored·4FZgmf…jwEgSummary
Papertrade is a synthetic perpetual futures exchange built on HyperEVM (Hyperliquid's smart contract layer), offering up to 1000x leverage with no trading fees, no funding rates, and zero slippage. The protocol launched on October 10, 2026 and suffered a $1.28 million loss on its first day when a trader allegedly exploited its sole reliance on Hyperliquid's best-bid-offer (BBO) mid-price as its oracle, manipulating ETH prices on Hyperliquid while holding large opposing positions on Papertrade. The team attributed the incident to loosely configured open interest caps during the launch period rather than a design flaw, and announced tighter trading limits on October 11, 2026.
Connected Entities
1 entityNo connected entities recorded yet — this investigation is not currently linked to any other page in the index.
Timeline(10 events)
1 June 2024
Jez (Colin Hong) and Blurr write the first paper on the queue system, derived from testing with blackjack and coin flips.
KuCoin News / multiple outlet coverage of founder interviews17 May 2026
Papertrade announces a limited beta and engages Guardian Audits for smart contract review ahead of a planned Summer 2026 launch.
IQ Wiki — Papertrade9 October 2026
Papertrade announces it will launch at 14:00 UTC on October 10, 2026, following a scheduled HyperEVM network upgrade.
Papertrade X account / KuCoin News10 October 2026
Papertrade officially launches on HyperEVM. 11,473 addresses have pre-deposited $137–138 million. The protocol logs $14.4 billion in notional volume and $3 billion in Bitcoin open interest within minutes.
Crypto Briefing — Papertrade draws $3B in Bitcoin open interest as on-chain perps exchange launches10 October 2026
Within approximately 8 hours of launch, a single wallet allegedly executes 305 trades with a 97% win rate, reportedly manipulating Hyperliquid's BBO mid-price to exploit Papertrade's oracle, extracting a net $1.28 million from the protocol's liquidity pool after spending $52,000 in fees.
The Block — Trader nets $1.28 million on new 1,000x exchange Papertrade10 October 2026
Papertrade's Martingaler LP (house pool) shows approximately $3.14–3.15 million. Open interest collapses 88% from over $3.3 billion to approximately $400 million as airdrop farmers and professional traders exit.
The Defiant — Papertrade Faces Oracle-Manipulation Allegation as House Pool Shows $3.14 Million11 October 2026
Allegations of oracle manipulation first raised publicly on X by user Boblob (@Dr_bobo54) and amplified by trader 'Rune'. Crypto.news reports that the alleged manipulation has not been independently verified at time of publication.
crypto.news — Hyperliquid sees $20M ETH trades: Was Papertrade exploited?11 October 2026
Papertrade issues a statement saying the manipulation was not caused by a design flaw but by loosely configured OI caps set to handle launch demand. The team announces it has begun tightening open interest limits on-chain and through transaction relayers.
The Defiant — Papertrade Says It Is Tightening Trading Limits After Manipulation Allegations11 October 2026
The trader's 30 remaining short positions are liquidated simultaneously, resulting in a $450,000 loss, reducing net profit from the manipulation to approximately $1.28 million. Some users voluntarily cancel trades characterized as manipulated in exchange for PAPER tokens.
Crypto Briefing — Trader nets over $1M on Papertrade's launch, then loses $450K12 October 2026
Protocol open interest stands at approximately $510 million, down roughly 85% from peak. Unleveraged margin in the protocol is $6.4 million, a 70% decline from 24 hours prior. Total trader losses reach $32.4 million within two days of launch.
TokenPost — Papertrade Trader Losses Reach $32.4 Million After Two DaysDecision Log
- slot 456231196 · hash 9N6ihDGi4JaGQDXSFaVq6h9UjPzorWxzfg9gqUp6EFFh
This investigation is cryptographically anchored to the Solana blockchain (1 decision). 0 of 22 cited source URLs have an Internet Archive snapshot.
model: claude-sonnet-4-6
generated: 10/12/2026, 11:41:01 PM
last updated: 10/12/2026, 11:41:01 PM
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