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Suspected Malicious Activity Drains AnySwap Tokens via Multichain ExecutorAccording to an on-chain sleuth known as Spreek, a person is using the Multichain Executor to drain tokens associated with the AnySwap bridging protocol.Multichain is a cross-chain routing network, established and maintained by a Chinese developer team. It supports in excess of 25 blockchains and more than 1,100 tokens.Photo by Marek Piwnicki on Unsplash$100 million outflowThis revelation comes after abnormal outflows of over $100 million from Multichain bridges on July 7, which were flagged by the Multichain team. Spreek’s report via Twitter on July 10 states that the Multichain Executor address has been draining anyToken addresses across multiple chains and transferring them to a new externally owned account (EOA).Evidence provided in the report includes an Ethereum transaction, 0x53ede4462d90978b992b0a88727de19afe4e96f0374aa1a221b8ff65fda5a6fe, which called the “anySwapFeeTo” method on the Multichain Router: V4 contract. This transaction resulted in approximately $15,275.90 worth of anyDAI being minted on Ethereum, sent to the Multichain Executor, burned, and exchanged for the underlying DAI backing the asset.The funds from these transactions were sent to the following address:0x1eed63efba5f81d95bfe37d82c8e736b974f477b. Similarly, on the BNB Smart Chain (BSC), the Multichain Executor used the anySwapFeeTo function to convert $208,997 worth of anyUSDC into Binance-pegged USDC and sent them to the same address. Additionally, 50.80 anyBTC, equivalent to $39,251.43 at the time, was converted into Binance-pegged Bitcoin and sent to the address.In total, approximately $263,524.33 worth of tokens were sent to this address through the anySwapFeeTo method. Spreek suggests that this behavior could be part of the protocol’s normal functioning. However, a different account engaged in similar activity the day before and ultimately sold the drained tokens, indicating malicious intent.Potential exploitSpreek theorizes that the attacker may be exploiting the anySwapFeeTo function by setting fees to an arbitrarily large amount, allowing them to drain users’ funds. The function apparently permits setting any value, enabling the address to choose the total value of the token held in that anyToken.The Multichain incident has puzzled blockchain analysts, as it remains unclear whether it resulted from an exploit or if it was simply large token-holders moving their funds between networks. The mystery began on July 7 when over $100 million worth of tokens were withdrawn from the Ethereum side of Multichain’s bridges and transferred to wallet addresses with no prior transactions. This represented the majority of funds held on each bridge.Hack or rug pullThe Multichain team labeled these withdrawals as “abnormal” and advised users to stop using the protocol. However, they have not disclosed the source or nature of the anomaly. In response to the incident, stablecoin issuers Circle and Tether froze some of the addresses involved in the suspicious transactions. Chainanalysis, a blockchain analytics firm, has commented that the incident appears more like a hack or rug pull rather than a migration.Adding to the complexity, the Multichain team has reported that their CEO is missing, and they have shut down certain bridges due to losing access to some of the network’s multi-party computation network servers. There have been various concerns relative to Multichain since May. The situation continues to evolve, with ongoing investigations and efforts to mitigate any potential damage caused by the suspected malicious activity.

Hong Kong and Israel Collaborate to Expand CBDC Access Beyond BanksIn a collaborative effort, the Hong Kong Monetary Authority (HKMA), the Bank of Israel (BoI), and the Bank of International Settlements (BIS) Innovation Hub have jointly released a comprehensive report on Project Sela, a central bank digital currency (CBDC) initiative.Photo by POURIA 🦋 on UnsplashBroadening the role of intermediariesThe report was published to the BIS website on Tuesday. In keeping with the trend of many CBDC projects, Project Sela is characterized by a robust public-private partnership. However, its particular focus lies in broadening the spectrum of intermediaries, aiming to offer retail CBDC services through a more diverse array of service providers, thereby reducing dependency on traditional banks and major payment providers.Andrew Abir, Deputy Governor of the Bank of Israel, emphasized the importance of fostering a dynamic and open ecosystem with a wide variety of service providers. He stated:“Competition and innovation require a flourishing and open ecosystem with many different types of service providers. This was our initial goal in Project Sela as a proof-of-concept, and the project proved the feasibility of the model we had in mind.”Involving retail banksIn a previous model explored through Hong Kong’s Project Aurum, retail banks were entrusted with customer-facing tasks while maintaining the central bank’s operation of the wholesale ledger for the eHKD. In contrast, Project Sela introduces a novel approach where the central bank operates the retail ledger — a model akin to Israel’s digital shekel.The primary actors in Project Sela, known as Access Enablers (AEs), notably do not have control over CBDC balances, distinguishing them from conventional payment providers. Moreover, AEs are not required to maintain liquidity to support CBDC services. Their role encompasses facilitating user onboarding and CBDC access, fulfilling know-your-customer (KYC) and compliance obligations, and routing payments. The role of banks and other “funding institutions” primarily revolves around enabling the conversion of cash and deposits into CBDC.The rationale behind this approach is rooted in the emergence of technological advancements in open banking and DeFi, which have demonstrated the potential to disentangle financial services by granting users greater access to their financial data and control over their own funds.Enabling participation among the unbankedProject Sela envisions the unbanked population utilizing ATMs to convert cash into CBDC. A similar approach has recently been taken by the Chinese authorities. In the resort city of Sanya, authorities have introduced e-CNY ATMs in order to enable e-CNY access for foreign tourists.However, it is noteworthy that in many countries, the primary function of ATMs is to dispense cash rather than accept it. Consequently, the inclusion of AEs could pose challenges to traditional banking institutions, as CBDC adoption could potentially impact bank deposits.Privacy and cybersecurity considerations are implicated within Project Sela. As the central bank operates the retail ledger, ensuring the confidentiality of personal information becomes imperative. To safeguard privacy, AEs employ a hashing mechanism to obfuscate personal identifiers, although the report does not delve into the subject in detail.While Bank of Israel Governor Amir Yaron admitted that a CBDC can never be anonymous, he claimed that “if we choose to issue a digital cash shekel, it will provide at least as much privacy as other digital means of payment.”

Circle CEO Sees Role for Yuan-Backed Stablecoins in Hong KongJeremy Allaire, the Co-Founder and CEO of Circle, the USDC stablecoin operator, expressed his acceptance of mainland China’s ban on cryptocurrencies. However, he remains optimistic about the development of Web3 technology in Hong Kong and the city’s monetary authority’s move towards regulating stablecoins.Photo by Mitchell Luo on UnsplashYuan internationalizationAllaire believes that Hong Kong must embrace digital assets to remain relevant in the global financial market. While he acknowledges that China is unlikely to open up its markets to cryptocurrencies, he sees potential for stablecoins to contribute to Beijing’s goal of yuan internationalization.During an interview with the South China Morning Post (SCMP), Allaire highlighted that major financial markets worldwide are embracing digital assets and that the biggest financial institutions are adopting them. He mentioned that there is Chinese government support for stablecoins, but he clarified that it doesn’t imply opening up crypto trading on the mainland. Allaire emphasized that stablecoins could be a more immediate solution to the Chinese government’s aim of internationalizing the yuan compared to the central bank digital currency (CBDC) e-CNY.Allaire cited the example of a stablecoin pegged to the offshore yuan (CNH) as a potential tool to facilitate the RMB’s use in global trade and commerce. He mentioned the existence of CNH Coin, a stablecoin team that also offers HKD Coin, pegged to the Hong Kong dollar.Virtual asset hubHong Kong is positioning itself as a global virtual asset hub by focusing on the regulation of stablecoins. The Hong Kong Monetary Authority (HKMA) has committed to implementing stablecoin regulations by 2024, recognizing the potential impact of such assets on financial markets. Additionally, the Securities and Futures Commission (SFC) is working on complementary regulations for stablecoins following the recent implementation of licensing rules for sellers of other cryptocurrencies.Circle’s USDC, the second-largest US dollar-backed stablecoin by market capitalization after Tether (USDT), is considered a “stored-value instrument” in the United States. Allaire expressed Circle’s encouragement regarding the HKMA’s plans and highlighted the positive motivation to expand their business in Hong Kong.While central banks worldwide have expressed concerns about stablecoins’ impact on financial stability, the HKMA has proposed that the value of reserve assets should match the outstanding stablecoins at all times. The HKMA has also been researching the possibility of a digital Hong Kong dollar and is part of a cross-border trial for the e-CNY using a blockchain known as the mBridge.CBDCs alongside stablecoinsRegarding the future role of stablecoins in a well-regulated environment alongside CBDCs, Allaire believes that CBDCs and private coins are complementary. He sees CBDCs as an upgrade to central banks’ systems and views the private sector’s work on innovation in distributed ledger technology as distinct and valuable.Allaire noted that Circle conducts significant business activity in Asia, particularly in Hong Kong, which is its largest non-US market, employing around 125 individuals.While mainland China maintains its ban on cryptocurrencies, Allaire remains optimistic about Hong Kong’s regulatory stance on stablecoins and believes they could contribute to the internationalization of the yuan. Allaire emphasized the importance of digital assets in the global financial market and expressed Circle’s support for Hong Kong’s initiatives.