F

FIRE

Browser extension simulating Ethereum transactions

Philanthropy Officer

Full-Time
$80k - $100k+ Bonus
Mid
Bachelor's
Remote in Canada+3 moreMore locations: California, USA | Washington, DC, USA | Philadelphia, PA, USA
HybridPhiladelphia and Washington, D.C. roles follow a hybrid schedule; remote candidates must live in California or the Pacific Northwest. Travel is approximately 30–40%.
Sales & Account ManagementAccount Management

About the job

Requirements
  • A four-year undergraduate degree is required.
  • Three to five years of experience in development, preferably including personal solicitation of major gifts; applicants with relevant experience in law, policy, or advocacy are also encouraged.
  • A goal-oriented mindset and the ability to directly ask supporters for money are required.
  • A high level of interpersonal and relationship-building skills is required.
  • An understanding of how to personalize FIRE’s mission and stories is required.
  • Strong written and verbal communication skills are required.
  • The ability to be compelling, listen effectively, and think on one’s feet is required.
  • Willingness to travel often is required.
Responsibilities
  • Manage a portfolio of existing donors and attract new supporters in the West Coast region.
  • Maintain active relationships with current supporters to solicit upgraded and continued annual support through sustained communication, events, in-person meetings, research, and coordinated moves management.
  • Cultivate and solicit donor prospects to grow FIRE’s donor base by researching friendly contacts, seeking new leads, writing prospect correspondence, and seeking meetings.
  • Update donor records and profiles regularly, and establish and maintain performance metrics, including overall portfolio management.
  • Work with development and program staff to create written proposals and pitches, slide decks, email solicitations, donor emails, and newsletter articles.
  • Consult with program staff to understand program needs and impacts and communicate them to donors.
  • Attend FIRE and non-FIRE events to represent the organization and interact with donors, potential supporters, and allies.
  • Support the organization’s overall fundraising efforts by adding donor outreach capacity to the development team.
Desired Qualifications
  • A working knowledge of donor prospecting methods is preferred but not required.
  • A working knowledge of donor database platforms such as Salesforce is preferred but not required.

About the company

Fire provides a free browser extension that simulates Ethereum (ETH) transactions to show users a clear preview of what will enter and exit their wallets before signing any contract. This helps non-technical users understand the implications of their web3 actions and avoid scams. The extension works within the browser by intercepting transaction flows and presenting a transparent, human-readable preview of the transfer details, enabling safer wallet activity in web3. Unlike some competitors that may focus on on-chain analysis or in-depth tooling, Fire targets ease of use for a broad audience and aims to build trust through safety and clarity. The company could monetize via premium features, partnerships with other blockchain services, or advanced analytics and support, operating on a freemium model. Fire’s goal is to enhance security and transparency in web3 transactions for ETH wallet users, from casual users to active traders.

Company Size

1-10

Company Stage

Seed

Total Funding

$3.5M

Headquarters

Newark, Delaware

Founded

2022

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Simplify's Take

What believers are saying

  • Kerberus said Fire reached 50,000 users by September 24, 2024.
  • Fire’s simulation feature now ships inside Kerberus Sentinel3 with $30,000 coverage.
  • Fire’s free extension and Ethereum, Polygon, Optimism, and Arbitrum support broaden adoption.

What critics are saying

  • Kerberus acquired Fire on September 24, 2024, ending Fire as standalone.
  • Fire’s browser extension discontinued April 8, 2024, forcing users into alternatives.
  • Competitors like Kerberus Sentinel3 now own Fire’s users, brand, and roadmap.

What makes FIRE unique

  • Fire translated Ethereum signatures into human-readable wallet deltas before signing.
  • Fire integrated directly with MetaMask, Coinbase Wallet, and other EVM wallets.
  • Fire built trust on read-only simulation, not private-key custody.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Life Insurance
  • Health Savings Account/Flexible Spending Account
  • 401(k) Company Match
  • Paid Vacation
  • Hybrid Work Options

Company News

Cointelegraph en Español
Feb 15th, 2025
Kerberus Acquires Pocket Universe for Crypto Antivirus

Kerberus has acquired Pocket Universe, a browser extension for fraud prevention, to develop a cryptocurrency-specific antivirus. The acquisition of Refract, Pocket Universe's developer, was a seven-figure deal. Kerberus plans to integrate Pocket Universe with its Sentinel3 extension and expand protection to EVM and Solana chains. Founders of Pocket Universe will step back but continue supporting Kerberus. The new antivirus product is expected in four months.

PitchBook
Apr 11th, 2023
Global VC deals for April 11, 2023 | PitchBook

Lithuania-based Perfection42 has raised €1.1 million in seed funding from investors including CoInvest Capital and angel network LitBAN.

Axios
Apr 10th, 2023
Crypto fraud prevention startup Fire raises $3.5 million

One estimate places 2022 losses to fraud at $5.9 billion.