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bridge

In the blockchain field, a Bridge refers to the technology or protocol that connects different blockchain networks, allowing assets and information to be transferred between these networks. Bridging technology addresses the interoperability issues between blockchains, enabling users to seamlessly transfer tokens or data across different blockchain ecosystems. Common forms of bridging include decentralized bridging protocols and cross-chain smart contracts, aimed at enhancing the flexibility and scalability of blockchain networks.
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first_img Israel extradites the suspect of the Nomad cross-chain bridge attack to the United States

According to Decrypt, the Israeli National Prosecutor's Office announced on Thursday that it has extradited Alexander Block, who holds dual citizenship in Israel and Russia (formerly known as Alexander Gurevich), to the United States. He is accused of stealing approximately $2.8 million in assets from the cross-chain bridge Nomad in 2022.Block was handed over to the U.S. authorities early that morning after failing multiple appeals in Israel. He was arrested at Tel Aviv's Ben Gurion Airport in May 2025 while preparing to fly to Russia, shortly after changing his surname and obtaining a passport under his new name.According to the U.S. extradition request disclosed in the Israeli Supreme Court ruling, a federal grand jury in the Northern District of California had indicted Block in August 2023 on four counts of computer fraud, one count of transporting stolen property, and three counts of money laundering. The U.S. formally submitted the extradition request in December 2024.Prosecutors stated that a vulnerability was left in the Nomad smart contract after a software update in June 2022, allowing users to obtain tokens on one chain without locking equivalent assets on another chain. Block, using the username "Bitlik," first conducted six test transfers and then completed four major transfers around August 1, 2022, acquiring tokens worth over $2.8 million, which he transferred through multiple wallets and exchanged for other cryptocurrencies to conceal the source of the funds.The U.S. allegations claim that his actions exposed the vulnerability, leading other users to withdraw nearly all of the over $186 million in user funds controlled by Nomad's wallet. Days later, Block returned some tokens and contacted Nomad executives via Telegram, proposing to return the remaining assets in exchange for a bounty for the vulnerability, but then cut off communication, prompting Nomad to report to U.S. law enforcement. Block argued that the transactions utilized features provided by Nomad's automated system and that on-chain transfers are publicly visible, thus not constituting money laundering.The Israeli Supreme Court rejected both claims, ruling that even if the software technically allowed the operation, exploiting a programming vulnerability could still constitute illegal intrusion into a computer system, and publicly visible transactions do not necessarily identify the actual controller behind the wallets.In December 2025, the U.S. Federal Trade Commission proposed a settlement regarding Nomad's operator Illusory Systems, stating that the cross-chain bridge lost $186 million due to insufficiently tested software updates, and the settlement required it to return recovered funds to users who had not yet been compensated; Nomad recovered approximately $22 million within days after the attack.

first_img Pump.fun Co-founder Alon: Self-developed cross-chain bridge has been launched, purchase error rate has decreased by 92%

The co-founder and Chief Operating Officer Alon of the meme coin issuance platform Pump.fun stated that the team had previously focused on launch pads for a long time and only began supporting cross-chain exchanges about 5 months ago. After investigating the cross-chain service provider Relay used at that time, he noted that over one-ninth of cross-chain purchases on Relay encountered errors, with typical purchase landing times close to 4 seconds, and one-tenth exceeding 7 seconds. The number of tokens users received was usually less than expected. He also mentioned that the social trading application FOMO still relies on Relay.Alon stated that the self-developed cross-chain bridge Pump Bridge has been opened to all Pump.fun application users. Compared to Relay, the purchase landing speed has improved by 2 times, and the error rate has decreased by 92%, dropping from over one-ninth to less than one percent. Users can obtain more tokens on average with the same amount of funds, and currently, no additional cross-chain fees are charged. He mentioned that due to the limitations of light speed and target chain confirmation time, the theoretical fastest landing time for purchases is about 1.1 seconds, and the team is still working to reduce the remaining gap.The above comparison comes from random tests conducted in the Pump.fun mobile application from September 28 to October 7, covering Robinhood, BSC, Base, Arc, and Ink, excluding Ethereum, with a total of 416,669 transaction results recorded. Among them, 383,326 transactions recorded the time taken from click to successful prompt, and an additional 35,333 transactions of completed USDC purchases under $500 were used for comparison. Alon also stated that the platform fee rate is 0.45%, with Callout rewards of at least $300,000 daily, totaling about $20 million over two months, and the platform does not retain platform fees.

first_img Cross-chain stablecoin bridge Cashmere announced its roadmap, which will launch Mountain and the token $CSM

Cross-chain stablecoin bridge Cashmere announces expansion plans, with the automated liquidity product Goat LP set to open to all users, followed by the launch of the main product Mountain and the token $CSM. Cashmere Bridge currently supports zero-slippage stablecoin transfers across 16 chains, and Goat Street features 6,666 goat NFTs on the Robinhood Chain. The team states that there is currently no official $CSM, and the related arrangements are part of the current plan and may change.Goat LP targets Uniswap v3 and v4 positions on the Robinhood Chain, with positions remaining in users' wallets as Uniswap NFTs. Automatic reinvestment incurs a 10% reinvestment fee, with Gas covered by the project team; automatic adjustment of ranges and automatic exits both incur a 0.15% fee. The official description refers to it as experimental software. The Mountain code has completed testing and will undergo external auditing before going live. Barn is a soulbound NFT with a maximum of 10 slots, and after issuance begins, new $CSM will be distributed every second. Goat NFTs can be permanently bound to receive issuance shares and cannot be sold or withdrawn after binding.The plan is to issue 1,000 founding Barns, with a guaranteed slot price of 0.125 ETH, whitelist at 0.25 ETH, and public auction prices dropping from 1.5 ETH to 0.25 ETH. $CSM will begin trading through the official Uniswap v4 ETH pool, while market making and tokens on Anvil have been canceled and redeployed due to technical issues. The maximum supply is planned at 666 million, with 10% allocated for official pool liquidity, 25% for the team and treasury with designated ownership, and 65% issued as the system operates. The team also plans to airdrop to Barn participants, Goat Street activators, and early users, with wallets that have listed goat NFTs on OpenSea being excluded.

first_img Cysic cross-chain bridge suffered unauthorized minting of 10 million CYS, the bridge has been suspended

The decentralized computing network Cysic released an event report on platform X stating that its cross-chain bridge was attacked on Saturday. The attacker exploited a processing vulnerability to unauthorizedly mint 10 million CYS on the BNB Smart Chain, and the cross-chain bridge has now been suspended. Preliminary investigation results indicate that the attacker accessed the database supporting the cross-chain bridge without authorization.The report shows that the minting occurred at 12:31:38 UTC, and Cysic added the receiving address to the token contract blacklist at 13:47:52. At that time, the address still held approximately 2.8 million CYS, and transfers have been restricted. Cysic stated that this incident was limited to the message processing and minting aspects of the cross-chain bridge and did not affect the mainnet or other operational systems, nor did it result in the theft or unauthorized transfer of CYS or other assets already in user wallets.Cysic emphasized that the quantity of minted tokens alone cannot determine the final dollar loss, and related token transfers, exchanges, and actual losses are still under verification. The company has hired a security agency and plans to release a follow-up report after the current investigation phase concludes. CYS is used to coordinate incentives for users, computing power providers, governance participants, and contributors within the Cysic network.
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