Here’s what happened in crypto today

Today, in crypto, the Czech National Bank may invest up to 5% of its reserves in Bitcoin, potentially acquiring $7.3 billion in BTC as part of its diversification strategy. Cboe BZX refiled for four Solana ETFs on behalf of issuers that regulators previously knocked back, and French authorities announced a new investigation into Binance.Czech National Bank governor to propose $7B Bitcoin reserve planThe Czech National Bank (CNB) may become the first European central bank to invest in Bitcoin as part of its diversification strategy for the country’s foreign exchange reserves.CNB Governor Aleš Michl is set to present his Bitcoin (BTC) acquisition plan to the bank’s board meeting on Jan. 30, he told the Financial Times. André Dragosch, head of research at Bitwise, noted the significance of the proposal in a post on X, writing:“Just to put this into perspective: These BTC purchases alone would be equivalent to around 5.3 months of newly mined Bitcoin supply.”If approved, the investment may amount to over $7.3 billion in Bitcoin purchases, given the CNB’s total reserves of more than $146 billion, according to André Dragosch, head of research at Bitwise.Cboe refiles Solana ETFs, Bitwise launches DOGE ETF bidCboe BZX Exchange on Jan. 28 refiled bids to launch a spot Solana exchange-traded fund (ETF) on behalf of Bitwise, VanEck, 21Shares and Canary Capital after the Securities and Exchange Commission rejected the applications last year.The refreshed 19b-4 filings effectively restart the SEC’s review process under the regulator’s new, more crypto-friendly acting chair, Mark Uyeda, who made a crypto task force to make a framework for digital assets.JPMorgan estimates a spot Solana ETF could attract between $3 billion to $6 billion in net assets in its first year of trading, which Bloomberg ETF analyst Eric Balchunas called a fairly “reasonable guess.”Balchunas has said, however, that he believes a Litecoin product may be next in line to win SEC approval.It comes on the same day as Bitwise filed a From S-1 statement with the SEC for a spot Dogecoin ETF after it registered a trust for the proposed fund in Delaware on Jan. 22.Bitwise follows other firms vying to launch memecoin-based ETFS, which Bloomberg ETF analyst James Seyffart said is issuers “testing the limits of what this SEC is going to allow.”French prosecutors probe Binance over money laundering, fraud allegations: ReportAuthorities in France have launched an investigation into cryptocurrency exchange Binance over allegations of money laundering and tax fraud.According to a Jan. 28 Reuters report, the economic and financial crime division of the Paris Public Prosecutor’s Office said it had opened a probe into the crypto exchange’s activities between 2019 and 2024 over money laundering allegedly connected to drug trafficking. Binance users also reportedly said the exchange incorrectly communicated information to them, resulting in investing losses. It is not the first time Binance has been in the crosshairs of the French government. The country has been examining the company’s activities since 2022, with the exchange reportedly failing to have adequate Know Your Customer procedures to check on users and possible money laundering activity.A Binance spokesperson told Cointelegraph that this latest challenge is a continuation of a legal probe dating back years:“Binance is deeply disappointed to learn that JUNALCO, a Paris division of the French Public Prosecutor’s Office, has taken the decision to refer this matter, which is several years old, to the French judiciary for further investigation.”“While we do not usually comment on legal proceedings as a matter of policy, Binance fully denies the allegations and will vigorously fight any charges made against it,” the exchange added.