Crypto Capital | Zcash | Monero | FumbleChain
Catching up on the Week 43 in Blockchain Threat Intelligence, this newsletter features updates on the Crypto Capital saga and its involvement with drug cartel money laundering, side-channel attacks on the privacy coins, and awesome research articles on FumbleChain wargame, eclipse attack against Ethereum, and others.
Crypto Capital Official Nabbed in Money Laundering Probe - arrest and extradition of Ivan Manuel Molina Lee to Poland to face money laundering charges for a Columbian drug cartel. Bitfinex issued a statement about its involvement as only a victim of a fraud. The arrest continues the saga of the missing $850 million from the Tether fund controlled by Crypto Capital.
Russian man sent to prison for mining bitcoin at top secret facility that made nuclear bombs - sentencing of a Russian scientist for mining bitcoin at Sarov lab on recently installed supercomputer.
Linking Anonymous Transactions via Remote Side-Channel Attacks - report on a patched side-channel attack targeting Zcash and Monero networks which can be used to deanonymize transactions, obtain IP addresses of machines with running wallets, cluster addresses to the same wallet.
Forking Cheeze Wizards Smart Contracts, All Funds (and Wizards!) are Secure - an interesting “dead ringer” vulnerability and writeup in the Cheeze Wizards smart contract.
Blockchain Penetration Testing - Hacking the Vulnerable FumbleChain - an awesome writeup of solving the FumbleChain wargame.
Eclipsing Ethereum Peers with False Friends - a research article exploiting Geth’s peer discovery mechanism to perform an eclipse attack.
Smart Contract Attack Vectors - a repository of known smart contract attacks and vulnerabilities.
OpenZeppelin Blockchains Study Group - an awesome project to document various blockchain security core topics such as a list of vulnerabilities in node software, classification of consensus mechanisms, common blockchain-specific attacks, and other related topics.
Responding to 51% attacks in Casper FFG - the article discusses finality-reversion attack and how the upcoming PoS consensus mechanism will defend against it.
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