Coin Telegraph

Security researchers at Microsoft, OpenAI’s largest investor, detected suspicious data extraction from the firm’s API in the fall of 2024, Bloomberg reported.

Microsoft and OpenAI are reportedly investigating whether data from the artificial intelligence firm’s tech stack was improperly obtained by a group linked to Chinese AI startup DeepSeek.

Microsoft security researchers detected suspicious large-scale data extraction through OpenAI’s application programming interface (API) in late 2024, Bloomberg reported on Jan. 29, citing people familiar with the matter.

Microsoft, OpenAI’s largest investor, notified the firm of the activity, which could violate the ChatGPT maker’s terms of service or could mean the group removed restrictions on how much data they could gather.

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The bill now needs to pass by majority vote in Utah’s House and Senate before being approved by state governor Spencer Cox, who appears to be pro-crypto.

A Utah House committee has passed a bill that would allow the state to invest a portion of public funds into crypto, with the measure now heading to the House for a vote.

The Utah House Economic Development Committee passed HB 230, the Blockchain and Digital Innovation Amendments, by an 8-1 vote on Jan. 28.

Utah Representative Jordan Teuscher proposed the bill on Jan. 21. It would give the state’s treasurer authority to allocate up to 5% of certain public funds to buy “qualifying digital assets,” such as those with a market capitalization over $500 billion or approved stablecoins.

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Cboe BZX Exchange made multiple refilings for Solana ETFs on behalf of fund issuers that the Securities and Exchange Commission knocked back last year.

Cboe BZX Exchange has resubmitted filings on behalf of four asset managers looking to list a spot Solana exchange-traded fund (ETF) in the US this year.

The exchange refiled 19b-4 filings for spot Solana (SOL) ETFs from Bitwise, VanEck, 21Shares and Canary Capital on Jan. 28 after the Securities and Exchange Commission reportedly rejected the applications late last year.

The refreshed filings effectively restart the SEC’s review process under the regulator’s new, more crypto-friendly acting chair, Mark Uyeda.

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The S&P 500 saw an uptick on Jan. 28 but crypto mining stocks failed to recover from a sudden market downturn triggered by the frenzy over DeepSeek’s new AI model.

Crypto mining stocks have closed down for the second consecutive day as major tech stocks regained their footing after the US market was rocked by an artificial intelligence model from China’s DeepSeek, triggering concerns about the overvaluation of the country’s AI scene.

Crypto mining firm Riot Platforms (RIOT) closed down 4.37% on Jan. 28, while rival Cleanspark (CLSK) dropped 2.47% and MARA Holdings (MARA) dipped 0.14%, according to Google Finance.

Chipmaker Nvidia (NVDA) saw the biggest rebound among the “magnificent seven” top US tech stocks, closing the day up over 8.8% after dropping 17% on Jan. 27.

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Coinbase’s successful registration in Argentina means it can now offer local payment methods and services in Argentine pesos.

Crypto exchange Coinbase has received a green light from Argentina’s regulators to expand services in the country, where it has operated since 2019.

Argentina’s National Securities Commission (CNV) signed off on a virtual asset service provider (VASP) registration for Coinbase, allowing it to start offering several new services, including local payment methods in the Argentine peso, the exchange said in a Jan. 28 blog post.

Coinbase first introduced crypto-to-crypto conversions and trading in Argentina in April 2019. According to Coinbase, it can now operate within the country’s legal framework for virtual assets as it gradually rolls out more services over the coming months.

Source: Coinbase

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Nuvve said it would use 30% of its spare cash to buy Bitcoin, but its latest balance sheet suggests it won’t be able to buy much.

Clean energy electric vehicle charging tech firm Nuvve has said it will begin to buy Bitcoin by putting aside nearly a third of its spare cash.

The Nasdaq-listed company said in a Jan. 28 press release that it would “allocate up to 30% of its excess cash, calculated based on its estimated six-month operating expenses” toward buying Bitcoin (BTC).

Nuvve said adding Bitcoin will diversify its treasury holdings, and the move aligns with its goal of offering a Bitcoin payment option.

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Bitwise registered a Dogecoin trust in Delaware earlier this month, but its latest filing makes its bid to launch a Dogecoin ETF official with the SEC.

Bitwise has filed with the US Securities and Exchange Commission to list an exchange-traded fund (ETF) tracking the price of the popular memecoin Dogecoin.

The proposed Bitwise Dogecoin ETF would hold Dogecoin (DOGE) and closely track the memecoin’s price movements, according to Bitwise’s Jan. 28. S-1 filing with the SEC.

Bloomberg ETF analyst James Seyffart noted on X that Bitwise filed to register a Dogecoin trust in Delaware on Jan. 22.

”But this makes it official with the SEC,” he said.

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From digital red packets to memecoins, Bitcoin continues its love affair with Lunar New Year in 2025.

Lunar New Year has become a global celebration and a surprisingly positive period for Bitcoin (BTC) and crypto — replete with modernizing the hongbao (financial gifts in red envelopes), memecoins bearing the year’s zodiac animal and increased trading activities in Asian hours.

So far, 2025 appears to be following the trend. Ahead of Jan. 29, crypto exchanges are rewarding users with so-called digital red packets, while serpent-themed memecoins are dominating the chains. And, right on time, Bitcoin trading activity has begun tipping to Asian trading hours.

Bitcoin’s trading volume was heavily skewed toward Western trading hours in the week of Jan. 14, which accounted for 56.15% of activity, compared to 43.85% during Eastern trading hours, IntoTheBlock data shows.

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SushiSwap’s total value locked has declined sharply since 2021 highs, according to DefiLlama.

Sushi Labs has acquired Shipyard Software, a cryptocurrency trading software developer, in a bid to improve the performance of the SushiSwap decentralized exchange (DEX), Sushi Labs said on Jan. 28.

The acquisition seeks to address several common challenges facing DEXs, such as SushiSwap. They include “mitigating impermanent loss, optimizing liquidity provisioning, and enhancing multichain trading efficiency,” Sushi Labs said in a statement shared with Cointelegraph. 

The deal comes as SushiSwap seeks to regain lost ground after a protracted decline in total value locked (TVL) since 2021. The DEX is also facing increasing competition from DEXs on Solana and emerging chains such as Hyperliquid, which specializes in trading. 

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XRP Ledger’s decentralized exchange has seen a total of more than $1 billion in swap volume since launching in 2024, according to Ripple’s CEO.

XRP Ledger’s native decentralized exchange (DEX) has clocked $400 million in swap volume in January, averaging approximately $17 million per day, Ripple CEO Brad Garlinghouse said on Jan. 28. 

The DEX has handled upward of $1 billion in cryptocurrency swaps since launching in 2024, he said during a discussion on the X platform as part of XRP Community Day. 

Its rapid growth is among several reasons “why 2024 will certainly stand out as one of the most monumental years for Ripple,” Garlinghouse continued. 

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