Security

Money Laundering on Solana - Winners of Range's [REDACTED] Hackathon Bounty

We're excited to announce the three winners of our $15k bounty to map the laundering routes in Solana. The winners are helping us understand how attackers think and keep defenders one step ahead.

Syed C, Range

Tracking Money Laundering on Solana -  Winners of Range’s [REDACTED] Hackathon Bounty
Tracking Money Laundering on Solana -  Winners of Range’s [REDACTED] Hackathon Bounty

As part of the [REDACTED] hackathon hosted by Helius Labs, we sponsored a $15,000 bounty to help map out money laundering routes in Solana.

The aim was simple: “How would you launder $1M through Solana without getting caught?”

In the aftermath of any exploit, it is usually a race against time to track the stolen funds and prevent the bad actors from cashing out. But, as displayed by the $1.5B Bybit hack, the process is chaotic and time-consuming – from tracking the complicated multi-hop transactions hackers make, to figuring out when one of those destination addresses is an offramp. 

Every hack eventually ends in an exit. By mapping the routes money could take – through mixers, bridges, CEXs, decentralized swappers, and off-ramps – we're giving investigators, compliance teams, and protocols a head start. This is how we build resilient infrastructure: not just by securing the front doors, but by watching what happens after the breach.

Now, we’re proud to announce the three bounty winners who helped us move forward the intelligence layer of Solana, with real intelligence, actionable data, and new insights.

1st Place ($11,000): Agent Aksusarya

Agent Aksusarya delivered a well-researched, methodical map of laundering techniques that spanned P2P platforms, OTC flows, retail fintech on-ramps, and bridges. He also labeled thousands of addresses, almost a thousand of which were tied to real off-ramping infrastructure  – tools often used legitimately, but vulnerable to abuse by bad actors acting quickly.

His submission was clean, comprehensive, and immediately usable within Range's monitoring systems.

2nd Place ($3,000): Ray

Ray’s submission focused on surfacing how smaller-volume laundering can fly under the radar, and identified some novel techniques bad actors may use.

The underutilized laundering vectors that Ray uncovered haven’t yet been widely exploited…yet. This type of forward-looking insight is exactly what we hoped this bounty would surface.

3rd Place ($1,000): Emmanuel

Emmanuel built a clear report identifying key off-ramping routes, including custodial swaps and cross-ecosystem bridges. Their work highlighted how the platforms that make crypto more accessible can also quietly exit significant volumes, if monitoring isn’t in place.

He also indicated several counter-measures that DeFi protocols or CEXs could implement to detect and stop money laundering, including tips on detecting multi-wallet rings, cross-industry collaboration and user-level protection implemented in wallet apps.

What’s Next

Huge thanks to Helius Labs for organizing the [REDACTED] hackathon and to Superteam Earn for powering the hackathon. Both teams helped us turn a bold idea into a smooth, community-powered intelligence exercise.

The insights and address lists submitted will be integrated into Range’s products and tools in the coming weeks. This will allow all teams in Solana to benefit from the work, build their own alerting pipelines, and track laundering flows more effectively.

This bounty was part of our larger commitment to strengthening Solana’s security infrastructure. Over the past year, we’ve partnered with the Solana Foundation and Squads Protocol to bring full-stack monitoring and intelligence to the ecosystem. Our capabilities include:

If you're building an app, wallet or have a multisig on Solana, contact us to see how Range can help protect your and your users’ assets.

About Range

Range is the leading blockchain security and intelligence platform for the Solana and Cosmos ecosystems. We work with teams like the Solana Foundation, Circle, dYdX, and Osmosis to deliver secure, cross-chain infrastructure. Our products include the industry’s first Cross-Chain Explorer – tracking activity across 50+ chains and major bridges – as well as real-time monitoring, alerting, and forensic tools used by developers, security teams, and protocols alike.

From the USDC Explorer powering Circle’s CCTP to the Solana Transaction Security Standard adopted by Squads Protocol, Range’s tools secure over $20B in onchain assets. We also provide IBC Rate Limit contracts on Cosmos and Range Trail, our cross-chain forensics engine, to support investigations and incident response across networks.

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The blockchain security and intelligence platform

Helping the best teams build and use DeFi protocols, blockchains, rollups, and cross-chain bridges with peace of mind.

Get in touch

Areas of interest*

The blockchain security and intelligence platform

Helping the best teams build and use DeFi protocols, blockchains, rollups, and cross-chain bridges with peace of mind.

Get in touch

Areas of interest*

The blockchain security and intelligence platform. Featuring a comprehensive security and risk management suite powered by machine learning and security expertise.

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The blockchain security and intelligence platform. Featuring a comprehensive security and risk management suite powered by machine learning and security expertise.

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The blockchain security and intelligence platform. Featuring a comprehensive security and risk management suite powered by machine learning and security expertise.

Resources