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four.meme

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anchored·4qRn9f…GikM

Summary

four.meme is a permissionless meme token launchpad built on BNB Chain (BSC), operated under the Four (formerly BinaryX) ecosystem, that enables zero-KYC token creation with automatic bonding-curve-to-PancakeSwap liquidity migration. The platform suffered two confirmed smart contract exploits within six weeks in early 2025, losing a combined total of approximately $310,000 in user and pool funds. Repeat critical vulnerabilities, a phishing campaign that hijacked Google search results, and ecosystem-wide spam and token-pollution incidents raise substantial safety concerns for users.

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    Timeline(9 events)

    3 July 2024

    four.meme launches on BNB Chain as the first dedicated meme token launchpad on BSC, with a fair-launch bonding curve model and automatic PancakeSwap migration.

    11 February 2025

    First smart contract exploit: attackers manipulate PancakeSwap V3 pool prices ahead of token launches due to missing price verification checks. Approximately $183,000–$200,000 stolen. four.meme suspends LP function and announces user compensation.

    12 February 2025

    A fraudulent clone of four.meme surfaces as a top Google Ads result, redirecting users searching for the legitimate platform to a phishing site. Community researchers issue warnings.

    25 February 2025

    BinaryX community vote finalizes rebrand to Four; token ticker changes from BNX/FOUR to FORM at a 1:1 swap ratio.

    18 March 2025

    Second smart contract exploit: attacker uses predictable PancakeSwap pair address and the 0x7f79f6df function to bypass transfer restrictions and drain pool liquidity during migration. Approximately $130,000–$174,000 stolen. Stolen BNB moved through FixedFloat.

    18 March 2025

    SlowMist, QuillAudits, and Lunaray publish technical analyses of the second exploit. four.meme suspends launch function and pledges another security review.

    19 March 2025

    four.meme resumes token launch function after internal security review. No third-party audit report is published.

    October 2025

    On-chain pollution attack floods four.meme with over 32,000 spam and low-quality tokens in a single day. Platform responds with a 0.01 BNB launch fee and manual review process.

    13 October 2025

    four.meme announces a $45 million Reload Airdrop in partnership with BNB Chain following a market downturn affecting tokens in its ecosystem.

    Provenance & Audit Trail
    Anchored on SolanaVerify on-chain14 Wayback Archivessrc:defillama

    Decision Log

    This investigation is cryptographically anchored to the Solana blockchain (1 event). 14 of 19 cited source URLs have an Internet Archive snapshot.

    full audit log →version history →

    model: claude-sonnet-4-6

    generated: 5/4/2026, 2:54:25 AM

    last updated: 8/30/2026, 3:55:00 AM

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