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It’s with a sudden halt that Harpie has chosen to shut down its services immediately. The stated reason? A lack of a sustainable business model. This Web3 security tool, an on-chain firewall, was designed to protect users from exploits. 

In a surprising turn, Harpie, the very Web3 tool built to combat exploits, has announced its immediate service termination. Originally created to shield wallets from harmful interactions amid the rising wave of sophisticated attacks targeting Web3 wallets, Harpie is now calling it quits.

Visitors to Harpie’s website are now greeted with a message confirming the discontinuation of operations.

“Our goal was ambitious: a crypto ecosystem free from theft. Regrettably, we haven’t been able to establish a viable business framework around this vision. We sincerely hope our efforts have made a difference and will inspire others to pick up the mantle and tackle this critical challenge,” the project’s team shared in a statement.

Harpie functioned as an on-chain firewall, actively working to thwart scams and thefts. Its system diligently monitored transactions for potential threats, swiftly moving funds to safety before they could reach malicious actors.

The community is reeling from the project’s unexpected closure, especially considering Harpie’s perceived potential as a vital asset in the Web3 space.

Damn bros – I hate to hear it. One of the products that I felt had a true win-win setup, but it seemed few people understood the benefits.

— BREAD | ∑: (@0xBreadguy) March 27, 2025

In the past, Safe Wallet offered similar protection by filtering out suspicious addresses, but it ultimately proved ineffective, notably during the Bybit hack.

Action Needed: Remove Harpie from Your Web3 Wallets

Users who previously relied on Harpie might now experience transaction failures. The Harpie team is urging everyone to manually disconnect their wallets from the service. They also announced plans to launch a withdrawal service on their website soon, allowing users to retrieve any assets still held in vault. Influencers who once championed Harpie on social media are now actively warning their followers to remove the tool from all connected Web3 wallets immediately.

The abrupt shutdown has taken the crypto world by surprise, especially given Harpie’s recent active promotion and airdrop campaigns, which continued right up until the announcement. Harpie was even in the midst of a point farming initiative encouraging users to scan their wallets for vulnerabilities, alongside running influencer and referral programs.

Before fully ceasing operations, Harpie has committed to distributing all pending airdrop rewards and referral bonuses. Being a tokenless protocol, thankfully, no user assets are directly affected by the shutdown itself.

Harpie emerged during the crypto winter of 2022, with a mission to provide vital utility for the Web3 ecosystem. The project successfully secured $4.5 million in funding, gaining support from prominent investors like Coinbase Ventures, Dragonfly Capital, and Opensea Ventures.

In the wake of Harpie’s departure, the Web3 community is now looking towards alternative wallet protection solutions, such as GoPlus Security and Kerberus Sentinel3. Some former Harpie users are reporting that Harpie identified a broader spectrum of threats than even established wallets like OKX Web3 wallet and Rabby could detect.

The need for robust wallet protection remains clear, as individual addresses continue to be prime targets for sophisticated heists employing malicious links. Blacklisting dangerous addresses and proactive warnings are still crucial tools in the fight against Web3 scams and phishing attacks.

Crypto Project Extinctions: It’s Not Just Harpie

Harpie’s exit is happening alongside the closure of two other projects, Vite Labs and Linear Finance, both of which have announced they will be shutting down operations after their assets were delisted from Binance.

These service shutdowns are occurring at a time when some less impactful projects are managing to hang on. Meanwhile, a noticeable number of once-hyped projects have completely disappeared, including various Web3 games and SocialFi platforms like Friend.tech. The challenging market conditions of 2022-2023 also claimed several NFT marketplaces.

Just a few days prior, the Moccosi NFT project announced its own shutdown, citing a lack of sufficient user engagement. However, unlike Moccosi, Harpie was actively used and relevant, with users engaging in point mining activities just days before the announcement.

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Source: cryptopolitan.com