Chainalysis

Michael Gronager, Jonathan Levin and Jan Moller founded Chainalysis. Gronager had been a KrakenKrakenKraken is a digital-asset trading platform founded in 2011 by Jesse Powell and Thanh Luu and launched for trading in 2013. As Payward’s flagship brand, it has expanded into spot and derivatives trading, equities, tokenized assets, custody and payments through jurisdiction-specific entities.Open the full entry cofounder and CTO, Levin had founded Coinometrics, and Moller had worked on the Mycelium wallet.⁠[2]

On February 12, 2019, Chainalysis announced a $30 million Series B led by Accel, following a $16 million Series A announced in 2018. It was expanding KYT’s multicurrency coverage and its London operations.⁠[3]

In October 2019, Chainalysis described Reactor’s role in investigating child sexual abuse material site Welcome to Video. Investigators traced BitcoinBitcoinBitcoin (common symbol BTC) is an open peer-to-peer electronic cash protocol, network, and native digital asset. Full nodes independently verify transactions and blocks according to the consensus rules; transactions are recorded as UTXOs, and blocks are organized into a public ledger through proof of work. Bitcoin is not issued or managed by any single institution, but using, holding in custody, and trading it still involve key, privacy, market, and legal risks.Open the full entry flows and combined exchange account records with other evidence to identify users. The site had been shut down in 2018.⁠[4]

On November 23, 2020, Chainalysis announced a $100 million Series C led by Addition at a valuation above $1 billion. It had opened offices in Singapore and Tokyo and planned further international expansion.⁠[5]

Chainalysis announced a $100 million Series D led by Paradigm on March 26, 2021, valuing it above $2 billion. Other participants included Addition and RibbitRibbit CapitalRibbit Capital is a venture-capital firm founded in 2012 by Meyer “Micky” Malka and headquartered in Palo Alto, California. It began with financial-technology investing and has expanded into AI, commerce and related infrastructure. Its investments include Coinbase, Robinhood and Nubank.Open the full entry; the funding was intended to expand its data and products.⁠[6]

On June 24, 2021, Chainalysis announced a $100 million Series E led by CoatueCoatueCoatue is a technology- and innovation-focused investment management firm founded by Philippe Laffont in 1999, operating in both public and private markets. Its current website lists Thomas Laffont as co-founder and chief investment officer of private investments; a Form ADV filed on July 29, 2026, disclosed regulatory assets under management of $92,705,722,582.Open the full entry at a $4.2 billion valuation. Expansion plans included market intelligence, data APIs and tools for public–private collaboration.⁠[7]

On October 5, 2021, Chainalysis announced its acquisition of Excygent, a professional-services firm supporting government cybercrime investigations, data processing and lead generation. The team joined its Investigations and Special Programs business after earlier joint work on law-enforcement cases.⁠[8]

On May 12, 2022, Chainalysis announced a $170 million Series F led by GICGICGIC is a long-term investment management institution wholly owned by the Government of Singapore, established in 1981 and headquartered in Singapore. It is entrusted with investing Singapore’s foreign reserves across equities, fixed income, private equity, real estate, and infrastructure, in order to preserve and enhance the reserves’ international purchasing power. The company is now named GIC Private Limited; its chairman is Lee Hsien Loong and its chief executive officer is Lim Chow Kiat.Open the full entry at an $8.6 billion valuation, with investors including Accel, Blackstone and Dragoneer. The valuation applied to that private funding round.⁠[9]

On May 30, 2023, Chainalysis announced its acquisition of blockchain data and infrastructure company Transpose, strengthening access to historical and real-time on-chain data through APIs. Applications included wallets, financial analysis, tax and compliance services.⁠[10]

In October 2023, Chainalysis cut approximately 150 jobs, mainly in marketing and business development serving private-sector customers. In its second round of cuts that year, the company emphasized profitability and a greater focus on government business.⁠[11]

The board appointed Jonathan Levin CEO on December 3, 2024, replacing Michael Gronager, who also left the company and board. The December 5 announcement additionally named Paul Auvil to the board as audit committee chair.⁠[12]

On December 18, 2024, Chainalysis announced its acquisition of Hexagate, expanding from investigations into threat prevention. Hexagate uses machine learning to identify unusual on-chain patterns and transactions, with tools for real-time monitoring, mitigation, forensics and compliance.⁠[13]

On January 13, 2025, Chainalysis announced its acquisition of AI fraud-detection company Alterya. Its systems combine cryptocurrency and fiat-payment information to identify scam recipients and provide preventive tools for exchanges, banks and other customers.⁠[14]

On September 25, 2026, the D.C. Circuit affirmed Sterlingov’s convictions. Despite challenges concerning Reactor’s lack of peer review and a known error rate, the court found no abuse of discretion in admitting expert testimony, considering corroboration and other factors.⁠[15]

On October 30, Chainalysis disclosed access to user details including names and emails, saying it found no evidence of compromised investigation content or credentials. On November 2, it suspended Reactor and Data Solutions amid ongoing threats while continuing transaction monitoring.⁠[16]

On November 2, Chainalysis said it helped respond to the Mercado BitcoinMercado BitcoinMercado Bitcoin (MB) is a Brazilian digital-asset platform within the 2TM group, offering cryptocurrency trading, asset tokenization and financial services.Open the full entry attack, coordinating with exchanges and stablecoin issuers to freeze nearly $10 million.⁠[17]

As of November 2026, Chain’s product page described a beta blockchain-intelligence agent that generates investigation graphs, reports and dashboards and turns workflows into repeatable code. The page offered access requests for Data Solutions customers.⁠[18]

Reactor combines blockchain transactions with real-world entity labels and visualizes fund flows as graphs. Investigators can add off-chain information, annotations and supporting evidence, or escalate KYT risk alerts into deeper analysis.⁠[19]

KYT, short for Know-Your-Transaction, monitors incoming and outgoing transfers and generates alerts under configurable risk rules. Customers can adjust thresholds, maintain address lists and custom groups, and manage alerts through APIs and case-management workflows.⁠[20]

Chainalysis publishes crypto-crime research and screens on-chain patterns for suspicious activity. Its 2024 pump-and-dump study treated flagged patterns as investigative leads, requiring off-chain evidence and context before concluding that conduct was criminal.⁠[21]