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OKX Ventures, the investment wing of the Seychelles-based cryptocurrency exchange OKX, has disclosed a strategic A-round investment in Polyhedra Network. Details of the investment have been outlined through a press release published via PRNewswire on Tuesday. Specializing in the creation of Web3 infrastructure, Polyhedra Network places a premium on interoperability, scalability and privacy, leveraging advanced zero-knowledge (ZK) proof technology.Photo by Precondo CA on UnsplashInteroperability with privacyA ZK proof provides the ability for one party to cryptographically prove to another party that it possesses a certain piece of information without having to reveal the actual underlying information to the other party. Central to Polyhedra Network's product offering is its zkBridge protocol, a system facilitating trustless and efficient cross-chain infrastructure for both layer-1 and layer-2 interoperability. The protocol empowers the receiving chain to verify specific state transitions on the sending chain. This approach ensures robust security without external assumptions, effectively reducing the costs associated with on-chain verification. Polyhedra Network made an initial impact in 2023 with the launch of the "zkBridge Mainnet Alpha." That product enabled interoperability over 20 layer-1 and layer-2 blockchains, including well-known networks such as Bitcoin, Ethereum, BNB Chain and Arbitrum. Distributed proof systemThe innovative strides of Polyhedra Network, which was founded in the United States by James Zhang, Tiancheng Xie and Nikhil Shah, continued in 2023 with the introduction of deVirgo, a novel distributed proof system expediting proof generation. The deVirgo protocol also incorporates recursive proofs which trim on-chain proof verification costs associated with zkBridge. Last month, Polyhedra Network unveiled its Bitcoin messaging protocol with zkBridge, ushering trustless interoperability into the Bitcoin ecosystem through the use of ZK-proof technology. Asian backingBy championing entrepreneurs contributing to the blockchain industry's advancement, OKX Ventures is helping to build innovative companies, bringing global resources and historical experience to the forefront of blockchain projects. It is one of many Asia-centric venture firms to do so. Polyhedra has secured backing from Hong Kong’s Animoca Brands and HashKey Group, Singapore’s UOB Venture Management, NGC Ventures, Signum Capital and Foresight Ventures, alongside KuCoin Ventures. In an initial funding round in February 2023, the UC Berkeley team attracted $10 million in funding. By April, a pre-Series A round had raised a further $15 million. Dora Yue, the founder of OKX Ventures, expressed their honor in participating in the investment in Polyhedra Network's interoperability infrastructure. Yue lauded the creativity demonstrated by Polyhedra Network's team in developing advanced ZK-proof mechanisms, emphasizing the balance achieved between ZK interoperability and scalability. OKX Ventures, with an initial capital commitment of $100 million, is committed to supporting Polyhedra Network's vision of seamlessly connecting the Web2 and Web3 worlds, aiming to attract a more extensive user base to the industry. As the investment arm of the global crypto exchange platform, it dedicates itself to exploring top-tier blockchain projects on a global scale. Its focus is on fostering cutting-edge blockchain technology innovation, aspiring to support the healthy development of the global blockchain space and investing in long-term structural value.

Singapore’s UniPass Plays Role in ERC-4337 Vulnerability FixSmart contract wallet provider UniPass and crypto infrastructure firm Fireblocks have successfully addressed a significant vulnerability in the Ethereum ecosystem.Photo by Nenad Novaković on UnsplashAccount abstraction vulnerabilityThis vulnerability, identified as the ERC-4337 account abstraction vulnerability, posed a critical security risk to hundreds of mainnet wallets. The joint effort between Fireblocks and UniPass was detailed in a blog post published to the Fireblocks website on Thursday.This vulnerability, if exploited, could have enabled a malicious actor to execute a complete takeover of the UniPass Wallet by manipulating Ethereum’s account abstraction process. The vulnerability represented a substantial threat to the security of smart contract wallets, as it could lead to unauthorized access and fund drainage.Improving user experienceAccount abstraction, as dealt with via ERC-4337, is a mechanism that introduces a novel way of processing transactions and interacting with smart contracts on the Ethereum blockchain. It allows for a more flexible and efficient handling of transactions, transcending the traditional distinction between externally owned accounts (EOAs) and contract accounts.EOAs are controlled by private keys and can initiate transactions, while contract accounts are governed by the code of a smart contract. When an EOA initiates a transaction with a contract account, it triggers the execution of the contract’s code. Account abstraction introduces the notion of abstracted accounts, which are not tied to a specific private key and can initiate transactions and interact with smart contracts, similar to EOAs.In the context of ERC-4337, an account executing an action relies on the EntryPoint contract to ensure that only signed transactions are executed. Typically, these accounts trust a single audited EntryPoint contract to validate user operations before executing commands. However, the vulnerability resided in the fact that a malicious or buggy EntryPoint contract could potentially skip the validation step and directly call the execution function, bypassing essential security measures.This vulnerability, identified by the two firms, had allowed attackers to seize control of UniPass wallets by replacing the trusted EntryPoint of the wallet. Once this takeover was completed, the attacker could access the wallet and drain its funds.It’s worth noting that the vulnerability posed a threat to several hundred users who had activated the ERC-4337 module in their wallets, making them susceptible to exploitation by any actor on the blockchain. Fortunately, the wallets affected by this vulnerability contained only small amounts of funds, and swift mitigation efforts were successful in preventing further harm.Company mergerEarlier this year, Singapore’s UniPass merged with Chinese wallet provider Keystone to form Account Labs, a company which has been incorporated in Singapore. At the time, Keystone founder Liu Lixin outlined that further developing account abstraction-derived products was the objective of the creation of Account Labs. He stated:“We are on the cusp of a Web3 Account Abstraction revolution. Together, we’ll drive rapid transformation, making the transition from Web2 to Web3 effortless for users. Our goal is to ensure everyone can securely and smoothly manage a decentralized account. We welcome partners to join us in advancing the Web3 account domain.”In furthering that objective, Account Labs announced on Thursday that it had raised $7.7 million in a funding round led by Amber Group, MixMarvel DAO Ventures, and Qiming Ventures.

Kyrgyzstani President Embraces Hydro-Powered Crypto MiningIn a move that signals the Republic of Kyrgyzstan’s growing interest in cryptocurrency mining, President Sadyr Japarov has given the green light to establish a crypto mining farm at a hydroelectric power plant within the Central Asian country.The ambitious project, set to be built at the Kambar-Ata-2 hydropower plant, has been allocated a budget of up to $20 million, as reported by Kyrgyzstan’s national news agency, Kabar, on Thursday.Photo by Collab Media on PexelsMore efficient use of powerThe primary motivation behind this endeavor is to address energy losses linked to non-utilized power from the Kambar-Ata-2 plant, which has been operational since 2010. According to President Japarov, approximately 6.8 billion kilowatt-hours (kWh) of energy have been wasted due to this issue. By harnessing the excess energy for cryptocurrency mining, the Kyrgyz government aims to optimize resource usage and bolster the country’s budget.President Japarov emphasized that the profits generated from the mining farm would directly benefit the people, particularly the power engineers who are responsible for the plant’s operations. He asserted that the earnings would be meticulously controlled and allocated, with complete automation and oversight.Energy grid challengesHowever, this recent decision appears to contradict the state of emergency announced by President Japarov in Kyrgyzstan’s energy sector on July 24. The emergency status, which will be in effect from August 1, 2023, until December 31, 2026, is attributed to climate challenges, insufficient water inflow into the Naryn River basin, and a lack of generating capacity due to escalating energy consumption.Despite these apparent contradictions, President Japarov affirmed that crypto mining at the hydro plant would be subject to the highest tariff in Kyrgyzstan, amounting to approximately 5 Kyrgyz soms ($0.057) per kW.As early as March 2022, Kyrgyz lawmaker Karim Khanjeza urged the government to legalize the cryptocurrency industry during a parliamentary committee meeting, citing the rapid expansion of the crypto space. Although Kyrgyzstan introduced some regulations for crypto exchanges in 2021, it has not yet enacted specific laws governing cryptocurrencies.The integration of hydro-powered crypto mining presents both opportunities and challenges for Kyrgyzstan. If executed strategically, the venture could harness underutilized energy to boost the national economy and provide benefits to the people.Learning from KazakhstanThat said, the Central Asian country would do well to pay heed to events that unfolded in neighboring Kazakhstan relative to crypto mining over the course of the last few years. Following a major crackdown on crypto mining activity in China, many miners upped and moved their operations to Kazakhstan. That sudden unplanned and unregulated upsurge destabilized the country’s power grid, forcing the government to crack down on mining. It has since regulated the activity in order to accommodate it without it having a detrimental effect on the energy grid.As developments unfold, Kyrgyzstan’s foray into cryptocurrency mining will undoubtedly be closely monitored by industry observers and stakeholders. President Japarov’s vision to distribute the earnings to ordinary citizens brings an element of promise to the project. Crypto mining can be a positive development for the country, leading to more efficient energy use, so long as the authorities plan accordingly.