Skip to main content
Sign in

BearnFi

avoid.net/bearnfi→12/100·82% conf.
[AI-DRAFTED · AWAITING VERIFICATION][src:defillama]

Auto-generated score, not yet verified against the scoring model. Under review — treat as indicative, not a verdict.

anchored·AKC9cz…7m5t

Summary

bEarn.fi (BearnFi) is a Binance Smart Chain-based cross-chain yield farming and algorithmic stablecoin protocol that launched in late 2020. On May 16, 2021, an attacker exploited a smart contract denomination mismatch to drain approximately $10.85 million in BUSD from the protocol's bVaults via a flash loan attack. The project subsequently became inactive, with its native BFI token recording no price data after mid-2023 and a market capitalization of effectively zero. The entity has been flagged by ZachXBT.

Connected Entities

1 entities
Protocols
⌂BearnFi
Relationships
    Have evidence about BearnFi?

    Timeline(8 events)

    November 2020

    bEarn.fi protocol launches on Binance Smart Chain, offering cross-chain yield farming, algorithmic stablecoin, and related DeFi products.

    2021

    bEarn.fi January review published; CertiK audit of the bDollar smart contract reported as in progress but not yet completed.

    16 May 2021

    Flash loan exploit occurs at 10:36:20 AM UTC. Attacker borrows 7.8M BUSD from Cream Finance and executes 26-30 deposit/withdrawal cycles against the bVaults BUSD Alpaca strategy, draining approximately $10.85 million in BUSD.

    16 May 2021

    bEarn team freezes all bVaults, contacts Binance to flag attacker address 0x47f341d896b08daacb344d9021f955247e50d089, and engages CertiK and PeckShield.

    17 May 2021

    bEarn team publishes post-mortem and announces 105% compensation plan for affected users: 87.5% BUSD + 7.5% BDOv2 immediately, 10% BDEX vested over 80 weeks.

    17 May 2021

    PeckShield publishes technical analysis confirming root cause as inconsistent asset denomination (BUSD vs ibBUSD) between BvaultsBank and BvaultsStrategy contracts.

    17 May 2021

    Yearn Finance developer Banteg criticizes bEarn's immediate compensation promise, warning it creates a distorted perception of risk for DeFi users.

    10 August 2023

    Last recorded price data for BFI token per market data aggregators. Protocol activity effectively ceases with market capitalization falling to zero.

    Provenance & Audit Trail
    Anchored on SolanaVerify on-chain10 Wayback Archivessrc:defillama

    Decision Log

    This investigation is cryptographically anchored to the Solana blockchain (1 event). 10 of 17 cited source URLs have an Internet Archive snapshot.

    full audit log →version history →

    model: claude-sonnet-4-6

    generated: 5/4/2026, 2:54:57 AM

    last updated: 8/30/2026, 8:47:34 PM

    avoid.net — verified advice for a post-truth world