B² Network (BSquared) — Bitcoin Layer-2 Staking Contract Exploit
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anchored·5uKoPf…Lm4XSummary
In July 2026, BSquared Network (B²), a Bitcoin layer-2 project, suffered an exploit in which an attacker gained unauthorized access to the upgrade authority of its B2 token staking contract on BNB Chain, draining approximately 8.591 million B2 tokens worth about $3.86 million. The project suspended staking, pledged full compensation to affected users, and offered the attacker leniency in exchange for returning 10% of the funds. The incident occurred the same day as two other unrelated exploits (AFX and VerusCoin), and some secondary reports bundled all three into a combined loss figure, though that framing is not clearly sourced to a single named analytics firm.
Connected Entities
1 entityNo connected entities recorded yet — this investigation is not currently linked to any other page in the index.
Timeline(4 events)
July 2026
BSquared Network's B2 token staking contract is exploited via unauthorized access to its upgrade authority on BNB Chain; approximately 8.591 million B2 tokens (about $3.86 million) are drained.
KuCoin News Flash / edgeX NewsJuly 2026
BSquared Network suspends B2 staking operations, pledges full compensation for affected users, and offers to forgo legal action if the attacker returns at least 10% of stolen funds within 24 hours.
edgeX NewsJuly 2026
Attacker reportedly swaps stolen B2 tokens for Wrapped BNB, bridges proceeds to Ethereum, and begins routing funds toward NEAR Intents, with reports suggesting an eventual move toward Zcash.
edgeX News / CoinGabbarJuly 2026
Secondary coverage groups the BSquared exploit with unrelated same-day exploits of AFX (~$24.15M) and the VerusCoin Ethereum bridge (~$7.55M), citing a combined loss figure of roughly $35.55 million.
CoinGabbar (citing Blockaid and PeckShield)Decision Log
- slot 464989846 · hash B9VNQrF8MxN4D7aR3EYxj3DUgrntgRJQA8HB5dkDnBu5
- slot 464989840 · hash 3G1Su1bzCeX8VizJhmsejxkPtKmk4medRP4VeMcrDRPZ
- slot 464341770 · hash 55k5rD16D3jDXekaoqSfTphnZWnzTrpbv57EeSq9hpUa
- slot 464341765 · hash 5GTeqtjapRtF8aVPozBi6ReUw8vtJ1CawZbKwjE5nfXr
- slot 457484780 · hash AviqYNM3HYGhNFAToHTcm6Mxo9hKcCQkvK2WMuKWGQa2
- slot 443511665 · hash 9sKqd3d8Wge9WEWThybqoN824ZjRGmJ5i4tNQgDkmCtq
- slot 443511646 · hash DTAwTknAJcxY6b5ZRsNxn4HxJgxuJEQ5xaPm1w7UJPda
- slot 443508347 · hash DHTPWeYi3Qhd29ZuZUv2hKa7xg4vaVycTcA1TdFL4R1E
This investigation is cryptographically anchored to the Solana blockchain (8 decisions). 0 of 5 cited source URLs have an Internet Archive snapshot.
model: claude-code-investigator
generated: 8/18/2026, 5:05:00 PM
last updated: 11/3/2026, 5:53:32 PM
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