[News Brief] Apr 22, morning | Wanchain Cardano Cross-Chain Bridge Attacked... 515 Million NIGHT Stolen

Wanchain Cardano Cross-Chain Bridge Attacked... 515 Million NIGHT Stolen

BlockSec said Wanchain’s Cardano cross-chain bridge was exploited, leading to the theft of about 515 million NIGHT tokens from the bridge treasury.

Preliminary investigation found that the attack was caused by an issue in the signed message encoding of the TreasuryCheck validator. Different combinations of fields could produce the same byte sequence and hash, allowing previously valid signatures to be reused.

BlockSec said it confirmed the vulnerability by decompiling the on-chain Plutus V2 bytecode and analyzing the attack transaction data.

Trump Agrees to Ethics Provision in U.S. CLARITY Act... Final Text Sent to Senate

President Trump has reportedly agreed to the ethics provision in the U.S. CLARITY Act, resolving a key sticking point in the bill’s progress.

According to PANews, industry sources said both sides reached agreement on the ethics provision after months of negotiations, and the bill text is expected to be released within the next few days.

The CLARITY Act is designed to establish a regulatory framework for the U.S. digital asset market. The ethics provision would restrict the president, vice president, and members of Congress from profiting from digital assets while in office.

The provision had previously become a major point of contention due to conflict-of-interest concerns surrounding Trump’s memecoin and his family-linked company, World Liberty Financial.

The bill will go through a Senate vote and then return to the House. If finally passed, it will proceed to President Trump for signature.

South Korean Government Begins Discussion on Phase 2 of Digital Asset Basic Act... Stablecoin Regulation at Core

The South Korean government will begin discussions today on phase 2 legislation for the Digital Asset Basic Act, with the establishment of a stablecoin regulatory framework as the central agenda.

According to Odaily, the government will officially launch the legislative discussion at a forum chaired by Deputy Prime Minister and Finance Minister Choi Sang-mok. The forum is the first government-hosted and government-organized legislative forum on stablecoins.

The government and the ruling Democratic Party plan to push for passage of the bill within this year. Previously, in its 2026 economic growth strategy announced on July 14, authorities said they would pursue legislation for the Digital Asset Basic Act in the second half of the year and establish a regulatory framework for business conduct by further segmenting the digital asset industry.

Hana Financial Group and Dunamu to Jointly Design KRW Stablecoin, STO, and RWA Infrastructure

Hana Financial Group and Dunamu will jointly work on the design of digital financial infrastructure, including a KRW stablecoin, security tokens, and real-world asset (RWA) tokenization, PANews reported citing TokenPost.

The two companies plan to promote a comprehensive wealth management service that integrates bank deposits, securities, and virtual asset accounts into a single asset portfolio. They are also reviewing broader cooperation in overseas remittances, trade settlements, and inter-corporate fund transfers by combining Hana Financial’s foreign exchange and overseas network with Dunamu’s Web3 infrastructure.

Previously, Hana Bank acquired a 6.6% stake in Dunamu for about 1 trillion won in May. However, the actual service launch will require institutional and regulatory arrangements regarding the stablecoin issuer, reserve management, and scope of operations.

U.S. Spot Bitcoin ETFs See Net Inflows for Five Consecutive Trading Days... Ethereum ETFs Also Post Inflows

U.S. spot Bitcoin ETFs recorded net inflows for five consecutive trading days. Spot Ethereum ETFs also saw inflows on the same day.

According to Wu Blockchain, as of July 20 (U.S. Eastern Time), total net inflows into U.S. spot Bitcoin ETFs were $227 million. U.S. spot Ethereum ETFs posted net inflows of $38.09 million.

Spot ETF fund flows are considered a key indicator for gauging institutional investor demand.

Grayscale Files Registration Statement With SEC for Worldcoin WLD ETF

Grayscale has submitted a registration statement to the U.S. Securities and Exchange Commission (SEC) for a Worldcoin (WLD) ETF, PANews reported citing The Block.

The fund is a passive investment product that holds WLD, the native token of the World Network. The value per share is designed to reflect the value of the WLD held, minus fees and liabilities.

If approved, the ETF will be listed on Nasdaq. The Bank of New York Mellon will serve as transfer agent, and BitGo Bank and Trust will act as custodian.

HKD-Pegged Stablecoin HKDAP May Be Announced as Early as Late This Month

According to PANews, Hong Kong Economic Journal reported, citing sources, that AnchorPoint, established under the leadership of Standard Chartered Hong Kong, may announce the launch of the Hong Kong dollar-pegged stablecoin HKDAP as early as late this month.

Virtual asset trading platforms including OSL Group and HashKey Exchange are expected to participate as distributors.

An AnchorPoint spokesperson said preparations for the phased issuance of the regulated HKD-pegged stablecoin HKDAP are progressing as planned and that updates will be disclosed at an appropriate time.

Circle Mints Additional 250 Million USDC on Solana

Odaily reported, citing Onchain Lens monitoring, that Circle minted an additional 250 million USDC on the Solana chain.

As a result, the cumulative amount of USDC issued on Solana in 2026 has reached 71.01 billion.

New Wallet Withdraws 74,033 ETH From Gemini and Stakes Entire Amount

Source: PANews Lab

According to Lookonchain monitoring, a new wallet withdrew 74,033 ETH (about $136.17 million) from Gemini and staked the entire amount.

Ancient Bitcoin Whale Deposits 1,000 BTC to Binance

According to Onchain Lens, an ancient Bitcoin whale that had been inactive for four months deposited 1,000 BTC to Binance. The amount is worth about $65.56 million, and exchange deposits are generally interpreted as indicating possible selling pressure.

The address is understood to have accumulated BTC in November 2013 and sold portions of its holdings gradually over the past year.