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Crypto Predicted the Fentanyl Slowdown Months Before Overdose Deaths Fell: Chainalysis

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Crypto Predicted the Fentanyl Slowdown Months Before Overdose Deaths Fell: Chainalysis


Cryptocurrency flows to suspected trafficking services jumped 85% in 2025.

Cryptocurrency payments to suppliers of fentanyl precursor chemicals began falling in mid-2023, months before overdose deaths declined.

This pattern suggests that blockchain data may provide an early signal of disruptions in the illicit drug supply, according to a new report from Chainalysis.

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Early Disruption in Fentanyl Supply

The blockchain data company observed a measurable drop in on-chain payments linked to vendors of chemicals commonly used in fentanyl production well before official mortality statistics reflected a reduction in fatalities. Because overdose data is typically released with delays due to investigation and certification processes, the earlier contraction in crypto transactions points to a potential three-to-six-month lead time between supply chain stress and public health outcomes.

The findings suggest that tracking blockchain payments to precursor suppliers could give law enforcement and policymakers an early signal of changes in synthetic opioid supply, alongside traditional measures like drug seizures and overdose death data.

The report also documented a sharp rise in cryptocurrency activity tied to suspected human trafficking networks. In 2025, crypto flows to identified services increased 85% year over year, reaching hundreds of millions of dollars. According to Chainalysis, much of that activity is concentrated in Southeast Asia, where trafficking operations overlap with scam compounds, online gambling platforms, and Chinese-language money laundering networks that operate largely through Telegram.

The firm identified four primary categories of suspected crypto-facilitated trafficking – Telegram-based “international escort” services believed to traffic individuals, “labor placement” agents recruiting workers for scam compounds, prostitution networks, and child sexual abuse material (CSAM) vendors.

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Payment patterns vary by category. “International escort” services and prostitution networks rely predominantly on stablecoins, which offer price stability and ease of conversion. CSAM vendors have historically favored bitcoin but are increasingly using alternative Layer 1 networks as well as privacy-focused assets such as Monero, and often turn to instant exchangers that allow rapid swaps without know-your-customer requirements. The company said these changes complicate tracing efforts but still leave observable patterns on-chain.

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Infrastructure Behind Crypto-Based Exploitation

Transaction size data indicates differing operational structures. Over 48% of transfers associated with Telegram-based “international escort” services were recorded to be more than $10,000, indicating organized operations functioning at scale. Prostitution networks demonstrated a higher concentration of transactions between $1,000 and $10,000, which is consistent with mid-tier agency activity.

Meanwhile, payments to “labor placement” agents recruiting for scam compounds typically fell within the same $1,000 to $10,000 range. This trend aligns with advertised fees for transporting workers across borders. Victims recruited through these channels are often coerced into operating online fraud schemes under threat of violence, according to prior reporting cited in the analysis.

The report also found that some escort and recruitment services are integrated with Chinese-language money laundering networks and “guarantee” platforms that rapidly convert stablecoins into local currencies, thereby reducing exposure to potential freezes.

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In the CSAM sector, operators increasingly use subscription-based models, which often charge less than $100 per month, to generate recurring revenue. Chainalysis also observed overlap between CSAM networks and online extremist communities, as well as the use of US-based web infrastructure to host surface websites while operators may be located abroad.

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Vitalik Buterin Dumps Even More ETH as Prices Struggle Below $2K

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Vitalik Buterin Dumps Even More ETH as Prices Struggle Below $2K


Ethereum’s co-founder has been disposing of large amounts of ETH for several weeks now.

On-chain data from Arkham Intelligence and Lookonchain showed that Vitalik Buterin has resumed his selling spree of ETH with another multi-million dollar transfer.

The analysts explained that he had withdrawn another batch of 3,500 ETH (worth roughly $7 million at the time) from Aave with the likely intention to sell. At the time of the original post a few hours ago, he had already disposed of 571 ETH ($1.13 million).

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CryptoPotato has reported a few similar instances in February alone, in which on-chain data indicated that he had begun disposing of some of his ETH fortune. A February 5 report showed that the project’s co-founder had sold off 2,961 ETH ($6.6 million at the time) in just three days.

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A day later, Lookonchain informed that the total sales had grown to 6,183 ETH, which was valued at $13.2 million. The average exit price was $2,140.

Arkham Intelligence keeps a close eye on Buterin’s addresses, and a report from earlier this week noted that he still held more than 240,000 ETH, valued at around $467 million. However, that data was before today’s sell-offs.

Meanwhile, ETH’s price has been on a consistent downtrend for months. After it peaked at close to $5,000 in late August last year, it was violently rejected and ended 2025 at around $3,000. The late January/early February crash was brutal, pushing the asset to under $1,800.

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Although it has recovered some ground since then, Ether still struggles below $2,000. Popular analyst Ali Martinez outlined the formation of a bullish flag yesterday for ETH, but with a major catch: the chart was inverted, showing in reality that ETH could be primed for another correction to under $1,400.

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Bitcoin Miner Bitdeer Liquidates Entire BTC Treasury, Holdings Fall to Zero

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Bitcoin Miner Bitdeer Liquidates Entire BTC Treasury, Holdings Fall to Zero

Bitcoin mining firm Bitdeer has sold all of its corporate Bitcoin holdings, reducing its treasury balance to zero, according to the company’s latest operational update.

In its latest weekly report, Bitdeer disclosed that its “pure holdings,” excluding customer deposits, have fallen to 0 Bitcoin (BTC). The report shows the company produced 189.8 BTC during the period and sold the full amount, alongside an additional 943.1 BTC, which was liquidated from its existing treasury reserves.

In its earlier update on Feb. 13, the miner still held 943.1 BTC, selling 179.9 BTC out of 183.4 BTC mined that week, leaving its treasury intact despite routine sales of newly mined coins.

Bitdeer’s Bitcoin holdings drop to 0. Source: Bitdeer

Mining firms commonly sell a portion of production to fund electricity, hosting and equipment costs, but they also maintain a treasury balance to keep exposure to Bitcoin’s price appreciation. Fully liquidating reserves is less typical.

Cointelegraph reached out to Bitdeer for comment, but had not received a response by publication.

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Related: Bitcoin mining difficulty rebounds 15% as US miners recover from winter outages

Bitdeer announces $300 million convertible debt raise

On Thursday, Bitdeer’s shares fell sharply after the company announced plans to raise $300 million through a convertible senior note offering, with an option to expand the sale by an additional $45 million. The notes, due in 2032, can later be converted into company stock, cash or a mix of both.

The company, founded by former Bitmain co-founder Jihan Wu, said the funds will support data center expansion, AI cloud growth, mining hardware development and general corporate needs.

Bitdeer has also been expanding its self-mining operations as demand for its mining hardware weakens, increasingly using its own rigs to mine Bitcoin rather than selling them to customers.

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Related: Bitcoin miners chase 30 GW AI capacity to offset hashprice pressure

Bitcoin miners pivot to AI

On Friday, MARA Holdings purchased a majority stake in French computing infrastructure firm Exaion, moving deeper into artificial intelligence and cloud services. The deal gives MARA France a 64% ownership position while energy company EDF remains a minority shareholder and customer.

The transaction came amid a wider shift across the mining industry. Following the 2024 halving and tighter margins, several miners have adopted a hybrid model that combines Bitcoin production with AI and high-performance computing revenue.