China Crypto Venture Firm to Invest in US Startups

Node Capital will set up a U.S. office with a local team aimed to increase its portfolio of blockchain startups from the Silicon Valley
28 June 2018   2399

A Chinese venture company working in the field of blockchain opens an American unit and intends to invest 200,000 Ethereum or about $ 86 million into local blockchain start-ups. This is reported by CoinDesk.

The firm explained that it is opening an office in the US to increase the presence of blockchain-startups from the Silicon Valley in its portfolio. The company did not specify the time of the launch of the new division.

To date, the Peking Venture Company has been involved in financing 160 crypto-currency start-ups, 80% of which are located in China, said Du Jun, the founder of Node Capital, speaking at the event.

Among the most notable start-ups in Node Capital's portfolio the are Coldlar hardware wallets manufacturer and Jinse Finance, one of the largest crypto-currency portals in China. The company also sponsored about 20 crypto exchanges, including FCoin, which recently attracted attention thanks to the "mining with commissions" model.

Du Jun is also one of the first Chinese investors to start discovering the sphere of crypto-currency. He co-founded the Huobi exchange in 2013 with Li Lin, who now holds the post of CEO of Huobi Group.

Potentional Vulnerabilities Found in ETH 2.0

Least Authority have found potentional security issues in the network P2P interaction and block proposal system
26 March 2020   921

Technology security firm Least Authority, at the request of the Ethereum Foundation, conducted an audit of the Ethereum 2.0 specifications and identified several potential vulnerabilities at once.

Least Authority said that developers need to solve problems with vulnerabilities in the network layer of peer-to-peer (P2P) interaction, as well as in the block proposal system. At the same time, the auditor noted that the specifications are "very well thought out and competent."

However, at the moment there is no large ecosystem based on PoS and using sharding in the world, so it is impossible to accurately assess the prospects for system stability.
Also, information security experts emphasized that the specifications did not pay enough attention to the description of the P2P network level and the system of records about Ethereum nodes. Vulnerability risks are also observed in the block proposal system and the messaging system between nodes.

Experts said that in the blockchains running on PoS, the choice of a new block is simple and no one can predict who will get the new block. In PoS systems, it is the block proposal system that decides whose block will fall into the blockchain, and this leads to the risk of data leakage. To solve the problem, auditors suggested using the mechanism of "Single Secret Leader Election" (SSLE).

As for the peer-to-peer exchange system, there is a danger of spam. There is no centralized node in the system that would evaluate the actions of other nodes, so a “malicious" node can spam the entire network with various messages without any special punishment. The solution to this problem may be to use special protocols for exchanging messages between nodes.