Reactor
Designed for investigative clarity.
Built for decisive action.
Reactor redefines how you discover, analyze and act on blockchain intelligence. Proven in landmark cases. Trusted by 1,500+ organizations. Over $34 billion in stolen funds frozen and recovered.
Clear
Crystal-clear visuals make complex investigations instantly understandable.
Comprehensive
From first lead to case closure, follow assets across chains in a complete, unified workflow.
Thorough
Trace transactions and uncover every detail with unmatched clarity.
Trusted
Built to meet the highest standards of security, compliance and data integrity.
Visualize the blockchain like never before
Know who’s behind the transactions
Reactor connects 134K+ unique real-world counterparties, organizations, and services with unmatched accuracy – independently validated and trusted in landmark rulings, giving institutions and governments quality assurance they can rely on.
Our intelligence combines rigorously vetted blockchain data, OSINT, proprietary datasets like Signals, and AI-driven insights to surface intelligence others can’t.
Follow the money at every step
Trace funds from the first deposit to the final cash-out and every connection in between. Map illicit networks at scale or isolate the exact transfers that prove your case, across 27+ blockchains, 40M+ assets, 325M+ swaps, 300+ bridges and DEXs, plus the most popular mixers for the most complete view of blockchain activity.
Smarter automation, intuitive workflows
Tasks that once demanded deep expertise and hours of parsing now happen in a click. Swaps, bridges, mixers, and complex contract activity are auto-interpreted into clear, human-readable steps – collapsing obfuscation and surfacing leads instantly.
Advanced tracing and analysis, made effortless so every investigator can act faster with fewer resources.
Present the full story, on or off-chain
Complex networks don’t have to look complicated. Fully customizable layouts, visuals, and annotations make any case easy to follow. Add context into your graph – from financial entities, communication channels, or supporting documentation – to link on-chain activity to subjects and services.
Share findings anyone can understand, whether briefing leadership, collaborating across teams, or presenting in court.
Speed that keeps up with you
Large graphs load in seconds and update in real-time. No waiting, no lost momentum. Just seamless performance that keeps your investigations moving when every second counts.
Connected intelligence, end to end
Reactor works hand in hand with KYT, carrying over alerts with risk scores, entities, and context so compliance teams can rapidly escalate alerts into deeper investigations with full continuity.
It also connects with your wider toolkit — from Cellebrite to Siren and i2 — bringing device forensics, link analysis, and blockchain intelligence into one cohesive investigation.
Purpose-built capabilities for every investigation
Rapid
Instantly triage wallets with AI-powered insights. No blockchain expertise required.
Wallet Scan
Check seed phrases for balances, historical activity, and links to illicit activities in seconds.
Advanced capabilities
Unlock deeper insights like geolocation intelligence, demixing and other advanced analytics for government-sensitive and complex cases.
Signals
Surface hidden threats faster with critical intelligence on 30M+ unidentified wallets.
Community
Collaborate with 2,000+ crypto investigators and compliance professionals sharing insights daily.
Labs
Get exclusive access to experimental technology from Chainalysis Labs, designed to solve the toughest crypto challenges.
Chainalysis in Action
Santa Catarina Civil Police Trace Stolen Municipal Funds to Criminal Network
Reactor is the trusted standard for investigations
More reasons to choose Reactor
Powered by the industry’s most trusted intelligence, breakthrough technology, and unmatched expertise.
Complete blockchain coverage
Automatic support for new blockchains and tokens ensures you’re always investigating with the most comprehensive view of crypto activity.
Control your deployment
Operate securely in the cloud, on-premises, or in FedRAMP-certified environments — meeting the strictest security and data compliance needs.
Expert support, on demand
120+ global specialists available for tailored case assistance, enablement, and training to extend your investigative and compliance capacity whenever you need it.
FAQ
How does Chainalysis Reactor trace cryptocurrency transactions?
Chainalysis Reactor traces cryptocurrency transactions across 27+ blockchains and 40 million+ assets, following funds through 325M+ swaps, 300+ bridges and DEXs, and the popular mixers within a single investigative workflow for end‑to‑end clarity.
It links on-chain activity to real-world entities using ground-truth attributions and rigorous clustering, producing reliable intelligence. These methods have been independently validated in peer-reviewed research as among the most accurate in the industry.
What makes Reactor different from other blockchain investigation tools?
Reactor combines comprehensive blockchain coverage with clear, flexible graphing visualizations that make complex investigations easy to follow. It leverages intelligent automation and advanced analytics to intuitively trace activity across chains, assets, and entities in a precise and efficient workflow.
It leverages Chainalysis intelligence that is independently validated, relied on by 1,500+ organizations worldwide, and proven in landmark cases that have led to the recovery and seizure of over $34B in crypto assets.
Who uses Reactor and what can they do with it?
Reactor is used by law enforcement, intelligence, regulatory and tax agencies, crypto exchanges, financial institutions, and corporate investigation teams to uncover illicit activity, trace assets across chains, link wallets to real-world entities, and present clear, defensible evidence.
For sensitive operations, flexible deployment options – including secure regional cloud residency, on-premises, and FedRAMP authorized environments – ensure mission-grade security and data control.
Can Reactor integrate with other investigation or compliance tools?
Yes. Reactor works with Chainalysis KYT enabling compliance teams to escalate risk-based alerts into full investigations with complete context and continuity.
It also connects with leading digital forensics and link-analysis platforms such as Cellebrite, Siren, and i2, uniting on-chain and off-chain evidence within one cohesive workflow.
How can I request a demo or enablement support for Reactor?
You can request a demo here. Every Reactor license includes unlimited access to the Chainalysis Academy for role‑based, on‑demand training and certifications, and private training is available through our expert services team for customized enablement.
Disrupt illicit activity. Mitigate risk. Act decisively.
Reactor combines speed, clarity, and smart automation to uncover critical insights, disrupt illicit networks, and mitigate risk before it escalates.