Crypto’s headline this August is simple and ugly: 16 major exploits , $163 million stolen. That’s a 15% rise from July’s $142M, per 0 attacks hit wallets, exchanges, and DeFi 1 message is blunt: security still 2 five hits, quick list 1. $BTC Holder, $91.4M 2. Btcturk, $54M 3. ODIN•FUN, $7M 4.
BetterBank. io, $5M 3 Finance, $4.5M That’s the leaderboard for 4 lays it out. #PeckShieldAlert In August 2025, ~16 major crypto exploits were recorded, resulting in total losses of $163M—a 15% increase from July's $142M. Notably, @btcturk suffered its second major breach in just over a year, losing over $50M after a $54M hack in June 2024., bringing their… 5 — PeckShieldAlert (@PeckShieldAlert) September 1, 2025 $91.4M, Phishing on steroids This was a personal account. A 6 attack reads like classic social engineering turned industrial 7 posed as exchange 8 also pretended to be hardware-wallet 9 asked for the 10 victim gave 11 attackers moved 12 laundered through Wasabi Wallet to blur the 13 lesson: no legitimate support team ever asks for your seed 14 it 15 it 16 quick context on BTC price and size of the prize: Bitcoin remains the market’s biggest asset, see CoinMarketCap snapshot for real-time numbers.
Btcturk, hot-wallet collapse, again Btcturk got hit 17 is their second large breach in just over a 18 August incident cost roughly $48–$54M depending on on-chain tracing and 19 stacks with their June 2024 loss of about $54M. Together, the hits push Btcturk’s cumulative losses north of $100M. Vartcall called it a textbook example of centralized custody 20 happened? Attackers breached internal 21 grabbed 22 drained hot 23 24 storage reportedly remained untouched, but user confidence took a 25 hot-wallet contract (on-chain): 0xde2faca4bbc0aca08ff04d387c39b6f6325bf82a Example drain transaction: 0xb191ec12f7e579b29840429940ca9a5049cc5cdf6c6904e607992323e6276931 Short lesson: centralized custody = single point of 26 you don’t hold the keys, you don’t own the 27 2025 was brutal for Web3.16 exploits – $163M lost (+15% vs July).
Here’s what happened & the lessons devs must learn 28 — vartcall (@vartcall) September 1, 2025 ODIN•FUN, reentrancy-style drain ($7M) ODIN•FUN lost $7M to a contract bug that behaved like a reentrancy 29 contract missed critical withdrawal 30 called withdraw, then called it again before balances 31 withdrawals drained 32 ICP principal IDs tied to the exploit (Internet Computer addresses): urguz-m32zo-jlld6-pyy4l-z3c24-jv4pt-5fmll-gq2xd-6siiz-oxkao-xae jeypm-z6t4p-uqshx-dtay4-qgw5d-ca7j5-alviu-fch2d-nmsnc-c4k3k-aae Short lesson: audit your 33 OpenZeppelin 34 the Checks–Effects–Interactions 35 catch what eyeballs miss. BetterBank.
io, oracle manipulation ($5M) BetterBank fell to a classic oracle manipulation 36 attacker pumped an illiquid token’s price, borrowed heavily against it, then let the price 37 protocol’s lending checks failed to catch the artificial spike. Lesson: secure price 38 decentralized, tamper-resistant oracles (Chainlink or equivalent). Add limits and oracle sanity checks to reject flash-price 39 Finance, flash loan + broken economics ($4.5M) CrediX lost about $4.5M when flash loans met weak collateral 40 protocol didn’t account for extreme, fast price 41 used instant liquidity to manipulate variables and exploit the contract’s flawed assumptions.
Lesson: stress-test your economic 42 flash loan 43 worst-case price 44 contracts aren’t safe by 45 the patterns tell us Across these incidents there are recurring threads: Social engineering works. It’s cheap and 46 and protocols are 47 wallets remain prime 48 custody concentrates 49 logic 50 missing check can enable a multi-million-dollar 51 and economic models are 52 loans and illiquid pairs are a 53 the basics and you cut the attack 54 55 teams matter. Multi-sig, hardware security modules, and time-locked withdrawals reduce blast 56 CoinMarketCap snapshot (context) Bitcoin (BTC), rank 1 , market cap and trading numbers vary minute-to-minute; use CoinMarketCap for live snapshot and historical 57 Take, Harsh But Fair August’s $163M is not just a number.
It’s a 58 industry repeats avoidable 59 losses come from innovation 60 come from sloppy 61 you’re building: assume attackers will probe your edge 62 you run an exchange: treat keys like crown 63 you hold coins: use self-custody for meaningful sums and multi-sig for shared 64 the original thread for the breakdown and follow-ups: PeckShieldAlert’s post contains the monthly tally and the top 65 check the on-chain traces and reporting on Btcturk for transaction-level details. Disclosure: This is not trading or investment 66 do your research before buying any cryptocurrency or investing in any 67 us on Twitter @nulltxnews to stay updated with the latest Crypto, NFT, AI, Cybersecurity, Distributed Computing, and Metaverse news !
Story Tags

Latest news and analysis from NullTx


