A relatively quiet week with just one high profile yet unsuccessful attack on the BCH network. In this edition of the newsletter I will look into several scam and malware trends as well as a a few fun research articles including James Lopp going on a destruction rampage against several popular metal wallets.
Hacks:
Bitcoin Cash Upgrade Attack and the 110K BCH Bitfinex Position - on May 15, 2019 an unknown actor has flooded BCH network with specially crafted transactions to trigger a vulnerability in Bitcoin ABC software. The exploit briefly prevented legitimate transactions from getting included in blocks causing empty blocks to be mined and mempool congestion. The attack was timed to coincide with the planned BCH fork, but failed to have a lasting impact on the network after the vulnerability was quickly patched. The attacker is rumored to have borrowed 180,000 BCH in order to short the coin on Bitfinex. In a surprise twist, the attacker’s own crafted transactions were cracked and reli…
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