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© 2026 MadeOnSol

MadeOnSol — eenmanszaak, Hulshout, Belgium · KBO/BTW BE 1039.535.538 (art. 56bis, no VAT charged)

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ToolsSecurity & AuditBlowfish

Security & Audit · Solana

Blowfish logo — Solana Security & Audit tool

Blowfish

Transaction simulation and fraud prevention for Solana wallets

Security & Audit Multi-Chain
Healthy

Rating

—

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Health

80/100

Checked 13d ago

Pricing

Freemium

Free for end users via wallet in…

Updated

Oct 2026

Security & Audit

Froglabs Bundler — Trade. Launch. Snipe. 7 days free with code MADEONSOLSponsored

Overview

What Blowfish actually does.

Blowfish is a transaction simulation and fraud prevention platform for Solana and other blockchains that helps wallets, dApps, and users understand what will happen before they sign a transaction. It serves as a critical security layer that protects users from scams, phishing, and malicious smart contract interactions. When a user initiates a transaction, Blowfish simulates its execution and provides a human-readable preview of the outcome — showing exactly which tokens will be sent, received, or approved, and flagging any suspicious patterns. This simulation catches common attack vectors including approval phishing, drainer contracts, malicious token interactions, and hidden function calls that could drain user wallets. Blowfish integrates with major wallets and platforms as a backend security service. When Phantom or other wallets show a transaction simulation preview, the data often comes from Blowfish's simulation engine. This behind-the-scenes role means Blowfish protects millions of users even if they've never heard the name, providing security infrastructure for the ecosystem's most-used applications. The platform also provides a developer API for applications that want to add transaction simulation to their own interfaces. The API supports both EVM and Solana transactions, making it useful for multi-chain applications. Blowfish has prevented hundreds of millions of dollars in potential fraud, making it one of the most impactful security tools in the Solana ecosystem.

Live health

Uptime, SSL, response time.

Health & Activity

Uptime 30d

100.0%

Website
Online
SSL
Valid
Social Activity
Dormant(696d ago)
Last checked: 13d ago

Latest from @blowfishxyz

November 19, 2024

We have big news – Blowfish has been acquired by @Phantom! As we move into this new chapter, we want to reflect on our journey and express our heartfelt gratitude to all of you. 💙 Over the past few years, we’ve been honored to earn the trust of 40+ wallet partners, helping protect $18B+ in user assets from scams. Together with @Phantom, @krakenfx, @MetaMask, @brave, and others, we pioneered B2B crypto scam prevention and made real strides toward a safer web3. Joining forces with Phantom, a secure, self-custodial wallet, is the next step in our journey. Being part of a company that values user security as much as we do will allow us to deepen our integrations into the wallet and offer users even better security. We’re already working on it! Our team is rolling out new safety features for Phantom as we speak – from intuitive transaction previews to real-time fraud insights – setting new standards in crypto security. Together, we’ll help millions explore web3 with confidence. To our customers, partners, and friends: thank you for trusting us. While the Blowfish brand is going away, our mission remains the same. We’re excited to embark on this new journey with Phantom and can’t wait for what’s ahead. Here’s to a safer crypto future! 🥂🔒 The Blowfish team

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Key features

What's in the box.

  • Transaction simulation with human-readable outcome previews
  • Malicious transaction detection including drainer and phishing patterns
  • Integration with major wallets as backend security infrastructure
  • Developer API for adding simulation to custom applications
  • Multi-chain support for Solana and EVM transactions
  • Token approval analysis and risk scoring
  • Known scam address database with real-time updates
  • Domain and URL reputation checking for dApp connections

Verdict

The honest tradeoffs.

Pros

  • Protects millions of users through wallet integrations (Phantom and others)
  • Human-readable transaction previews catch risks that users would miss
  • Has prevented hundreds of millions in potential fraud losses
  • Developer API enables any platform to add enterprise-grade security
  • Multi-chain coverage protects users across different blockchains

Cons

  • Backend service — users may not know it exists despite benefiting from it
  • Simulation can occasionally fail for complex multi-instruction transactions
  • Cannot detect all scam types — social engineering still requires user vigilance
  • API pricing may be significant for high-volume applications

Pricing

What it costs.

FREEMIUM

Free for end users via wallet integrations. Developer API has usage-based pricing.

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Reviews

What users say about Blowfish.

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From the blog

Articles mentioning Blowfish.

Solana Bridge Security: How to Bridge Safely and Avoid Exploits (2026)

Solana Bridge Security: How to Bridge Safely and Avoid Exploits (2026)

How to bridge assets to and from Solana safely. Covers Wormhole, deBridge, and LayerZero security models, past exploits, red flags to watch for, and a checklist for safe bridging.

10 min read

Is Solana Safe? Security Risks, Hacks, and How to Protect Your Wallet (2026)

Is Solana Safe? Security Risks, Hacks, and How to Protect Your Wallet (2026)

An honest look at Solana's security track record in 2026. Covers past outages and exploits, current security improvements, wallet safety, common scams, and practical steps to protect your funds.

12 min read

How to Spot and Avoid Rug Pulls on Solana: Tools and Red Flags (2026)

How to Spot and Avoid Rug Pulls on Solana: Tools and Red Flags (2026)

Learn how to identify rug pulls before they happen. Covers the most common scam techniques on Solana, red flags to watch for, and free tools like RugCheck, Bubblemaps, and Solsniffer to protect your wallet.

11 min read

Compare Blowfish

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Track KOL trades & rug-check any token by API

The data behind MadeOnSol — 2,000+ KOL wallets, deployer reputation, token risk scores — over REST and WebSocket. Free key, 200 calls/day, no payment to start.

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