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The South Korean Shinhan Card Company plans to test real-time stablecoin payments on the Solana blockchain

One of South Korea's largest credit card companies, Shinhan Card, announced that it has signed a cooperation agreement with the Solana Foundation to jointly build a stablecoin payment system on the Solana blockchain.As part of the collaboration, Shinhan Card is conducting a high-level proof of concept this year, focusing on simulating real-world payment scenarios between customers and merchants on the Solana testnet. Shinhan Card's Executive Vice President Kim Young-il stated, "Based on Solana, we plan to carefully examine the practical applicability of blockchain technology and actively explore next-generation financial models." One of the core elements of the proof of concept is to verify the security and stability of non-custodial wallets, so that Shinhan Card can deploy this technology on a large scale in the future. Both parties will also explore a "hybrid financial model" that combines the reliability of traditional finance with the efficiency of DeFi. Shinhan Card plans to utilize oracle technology to build its own DeFi service environment, deploying smart contracts while ensuring operational stability. Shinhan Card will assess the outcomes of these projects in conjunction with the evolving regulatory environment in South Korea and the Asia-Pacific region. Notably, South Korean lawmakers are currently drafting the "Basic Law on Digital Assets," which is expected to be finalized within this year. Under the anticipated legislation, several South Korean financial institutions, including KBank, have recently begun collaborating with global blockchain and cryptocurrency companies.

Riot switched the $200 million Coinbase credit interest rate to a fixed rate, Bitmine's latest holdings reached 5.078 million ETH including $200 million in Beast Industries equity, and Strive increased its purchase of 789 BTC, with reserves exceeding $1.1 billion

According to BBX data, yesterday the credit management of mining companies, the update of Ethereum treasury reserves, and the expansion of Bitcoin reserves were synchronized. The core dynamics are as follows:Riot Platforms, Inc. (NASDAQ: $RIOT) signed and publicly disclosed SEC Form 8-K reported by CoinDesk on April 28, stating that the company has completed the second amendment to its credit agreement with Coinbase Credit, Inc., switching the original floating rate $200 million secured term loan to a fixed rate and extending the maturity date by 364 days, while retaining the option for a further extension of 364 days; the loan scale and collateral structure remain unchanged, with the collateral still being Bitcoin, USDC, and cash held in Coinbase Custody. The company's Bitcoin holdings have decreased from 19,368 coins at the beginning of the year to 15,680 coins; if the BTC price continues to decline, the selling pressure under the loan-to-value ratio constraint will persist, which is an analytical judgment and not an official disclosure from the company.Bitmine Immersion Technologies, Inc. (NYSE: $BMNR) released its latest holdings update on April 27, stating that as of that day, it holds 5,078,386 ETH (valued at approximately $2,369 at the market price, with a market cap of about $12.04 billion), along with 200 BTC, $200 million in Beast Industries (under MrBeast) equity, and $91 million in cash, bringing the total of combined crypto assets and strategic investments to about $13.3 billion; the ETH holdings account for approximately 4.21% of the total circulating supply, which is the scale accumulated by the company since launching its Ethereum treasury strategy in June 2025.Strive, Inc. (NASDAQ: $ASST) disclosed through an official announcement on GlobeNewswire on April 27 that the company has purchased approximately 789 BTC (costing about $61.43 million, with an average price of about $77,890), bringing the total holdings to approximately 14,557 BTC as of April 24; during the same period, it held $90.5 million in cash and equivalents, and $50.3 million in Strategy preferred shares (STRC), with a total market value of BTC reserves of about $1.13 billion, surpassing Hut 8 to rank ninth among publicly listed companies in Bitcoin reserves globally.

Gate's latest quarterly report is out, TradFi drives the platform towards a multi-asset ecosystem

The globally leading digital asset trading platform Gate has released its latest quarterly report, showcasing strong momentum in the continuous expansion of several core businesses. Gate Perp DEX has entered a phase of scaled growth based on a mature product system, with a cumulative trading volume exceeding $13 billion in the first quarter, over 10 million transactions, and the number of trading pairs surpassing 600. While covering mainstream crypto assets, it has also introduced TradFi perpetual contracts for gold, silver, and crude oil, pushing the platform to extend from single crypto derivatives trading to a multi-asset market.At the same time, the ETF and derivatives markets have shown active performance, with quarterly ETF trading volume increasing from 6.7 billion USDT at the beginning of the year to over 18 billion USDT, covering more than 320 trading pairs; the daily trading user growth for options business has increased by 54.6%. TradFi-related products have become an important driving force for the growth of derivatives, promoting the trading structure from single crypto assets to a multi-asset system.In terms of institutional and product ecosystem, the platform's growth momentum continues to be released. The trading volume of institutional contracts has increased by over 50% compared to the end of last year, and the total number of institutional users has grown by over 66%; asset management scale has increased by 22%, and trading volume has grown by 192%. CrossEx trading volume and net asset scale have achieved approximately 9.4 times and 3.1 times growth, respectively. Gate's multi-business collaborative growth, relying on the integration of TradFi and crypto assets, is accelerating its evolution into a comprehensive multi-asset trading platform.

DeFi United rescue latest progress: over 100,000 ETH raised

The DeFi United ecological rescue initiative led by Aave is ongoing. The Arbitrum DAO has released 30,765 ETH that was frozen after the rsETH incident on April 18. The designated donation address has accumulated a total of 100,360 ETH to address the collateral asset gap caused by the rsETH incident on April 18.The plan aims to restore the rsETH backing assets through multi-party collaboration, stabilize the market, and prevent the spread of bad debts across protocols. The funds will be used to support the recovery of collateral rates and gradually promote market normalization in conjunction with relevant protocols.Current major commitments or participants include: Arbitrum DAO releasing 30,765 ETH frozen after the rsETH incident on April 18, Mantle proposing to contribute 30,000 ETH, AaveDAO proposing to contribute 25,000 ETH, Aave founder Stani Kulechov confirming to provide 5,000 ETH, EtherFi proposing to provide 5,000 ETH, Lido proposing to provide 2,500 stETH, Golem Foundation and related projects totaling 1,000 ETH, among others. Additionally, LayerZero, Ethena, FraxFinance, InkFoundation, and others have also confirmed participation, but specific amounts have not yet been disclosed.It should be noted that the progress of this rescue still relies on several external key conditions, including KelpDAO restoring rsETH redemptions and the Arbitrum security committee releasing frozen assets. The overall recovery time and effectiveness remain uncertain.

Three Possible Responses to the rsETH Hacker Incident: Balancing Bad Debt and Reputation, Testing KelpDAO's Credibility and Aave's Risk Tolerance

DefiLlama founder 0xngmi has outlined three possible courses of action that KelpDAO may take following the rsETH hacking incident. Each of the three paths has significant flaws, and the final decision will test KelpDAO's credibility and Aave's risk tolerance.Path One: All users share the losses. KelpDAO will uniformly deduct 18.5% of the losses from all rsETH holders proportionally. Currently, there are about 666,000 rsETH collateralized across the Aave network, primarily highly leveraged on the mainnet and L2 (assuming all are at a 95% liquidation LTV). Once socialized losses occur, the equity of all positions on the mainnet will be completely wiped out, resulting in approximately $216 million in bad debt. The Umbrella protocol can cover $55 million in bad debt, and the Aave treasury will additionally bear $85 million, leaving a gap of about $76 million. KelpDAO may fill this gap by borrowing or selling Aave tokens (currently valued at about $51 million), but this would still put significant pressure on Aave, and all users would need to share the losses.Path Two: Directly rug the rsETH holders on L2. KelpDAO will only guarantee the mainnet rsETH and consider the rsETH on L2 as worthless. Currently, Aave L2 has about $359 million in rsETH collateral (calculated at current oracle prices), and if all are calculated at maximum leverage, it would result in approximately $341 million in bad debt, which cannot be covered by the Umbrella protocol at all. Aave can only use the treasury or borrowing to save part of the market, most likely abandoning chains like Arbitrum, Mantle, and Base, which have the largest losses, leading to a collapse of these L2 markets. This option has a minor impact on the Aave mainnet but would severely damage the credibility of the L2 ecosystem and could trigger a chain reaction.Path Three: Attempt to refund only the holders based on a snapshot taken before the hack, which is extremely difficult to execute. KelpDAO tries to fully refund only the rsETH holders based on the snapshot taken before the hack, while subsequent buyers or transfer holders would bear the losses themselves. However, since funds have significantly flowed after the attack, and the nature of DeFi protocols is liquidity pools, it is impossible to truly distinguish between different batches of depositors, making technical execution very challenging. The hacker borrowed $124 million on the Aave mainnet and $18 million on Arbitrum, and after deducting the coverage from the Umbrella protocol, there remains about $91 million in losses. Although this plan theoretically minimizes the spread of impact, its practical implementation is nearly impossible and could easily lead to legal and community disputes.
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