Skip to content
SafetyScorer

Is Atomic Wallet safe?

Atomic Wallet

Atomic Wallet is a self-custody app that lost users more than $100 million in a June 2023 theft, by Elliptic's estimate. More than three years on, the cause is unexplained, nobody has been repaid, and the closed, obfuscated code gives outsiders no way to check.

Medium confidence#23 of 23 crypto walletsUpdated
Spot a mistake?
Developer
Atomic Protocol Systems OÜ (Estonia) on the App Store; terms name no entity and use Panama law
Type
Software Hot walletA crypto wallet connected to the internet, such as an app or an exchange's online wallet. It is convenient, but more exposed to hacking.More in the glossary (desktop and mobile), 1,000+ assets
Custody
Self-custodyHolding crypto in a wallet where you alone control the private keys, rather than leaving it with an exchange or another company.More in the glossary, 12-word backup phrase and password
June 2023 theft
Over $100 million from more than 5,000 wallets (Elliptic)
Root cause
Never published
Repayment
None announced
Source code
Closed and obfuscated; WalletScrutiny rates it "not verifiable"
Liability cap in terms
$50

How the score breaks down

The overall score is the weighted average of these factors. Scoring rules

  • Security record30% of score

    20 out of 100, Poor

    In June 2023 attackers drained more than 5,000 Atomic wallets of over $100 million, according to Elliptic. Atomic listed possible causes but never confirmed one, published no post-mortem and has announced no repayment. Elliptic attributed the theft to North Korea's Lazarus Group.

  • Key security and recovery30% of score

    65 out of 100, Fair

    Keys come from a 12-word backup phrase created on the device, stored with AES encryption and unlocked by a password, and they can be restored elsewhere. Because the 2023 cause was never found, a flaw in how keys were generated or stored has not been ruled out.

  • Code transparency and audits20% of score

    15 out of 100, Poor

    The app is closed source and its JavaScript is obfuscated, so WalletScrutiny rates it not verifiable. We found no public third-party audit and no bug bounty programme; Atomic's bug-bounty address returns a 404.

  • Signing and scam protection15% of score

    40 out of 100, Weak

    Atomic offers swaps, staking, a dApp store and a Web3 wallet, but we found no documentation of transaction simulation, malicious-site warnings or approval checks. Some outside risks are reduced because most use is simple sends and swaps.

  • Company and privacy record5% of score

    35 out of 100, Poor

    The terms (December 2025) name no legal entity, choose Panama law and arbitration, waive class actions and cap liability at $50. A US class action over the theft was dismissed in 2024 for lack of jurisdiction; a second suit filed in California in 2025 is open.

Is Atomic Wallet safe?

Not on its record. In June 2023 more than $100 million was drained from Atomic Wallet users, by Elliptic's estimate, and more than three years later Atomic has neither explained how it happened nor repaid anyone. The app is closed source and obfuscated, so no one outside the company can check whether the problem is gone. We score it 36/100, an F.

Atomic is easy to use, supports more than 1,000 assets and now adds staking, perpetual futures and prediction markets. None of that changes the core question for a wallet: can you trust the software holding your keys? With an unexplained mass theft and no way to inspect the code, we cannot say yes.

What happened in the June 2023 theft?

On Saturday 3 June 2023 Atomic's support team started getting reports of unauthorised transfers. Atomic halted app downloads and updates, changed server access and brought in Chainalysis and Crystal to trace the money.

Elliptic's tracing grew the estimate from about $35 million to over $100 million. It tracked more than 5,000 wallets believed compromised, with an average loss of about $2,800, at least 164 addresses losing more than $100,000 and at least ten losing more than $1 million. Elliptic attributed the theft to North Korea's Lazarus Group "with a high level of confidence", citing laundering steps and services such as the Sinbad mixer that matched earlier Lazarus hacks, and said over $1 million had been frozen.

Atomic said fewer than 0.1% of its users were affected. That may be true and still mean thousands of people, many of whom lost savings.

Why the cause still matters

Atomic's statement, last updated in September 2023, named four probable causes: malware on users' devices, a breach of its infrastructure, malicious code injected into the app, or a man-in-the-middle attack. It said none had been confirmed. We found no post-mortem since.

That is the main reason for a security record score of 20. Our rubric puts wallets below 50 when large losses were not made whole or the cause was never explained; Atomic meets both. Compare Trust Wallet, which also had a malicious-release incident but published what happened and began repaying victims. Without a cause, users cannot know whether the weakness was fixed, and key management drops to 65 even though the wallet uses a normal 12-word phrase with local AES encryption.

Lawsuits and repayment

Victims have tried the courts. A class action filed in Colorado in June 2023 against Atomic Protocol Systems OÜ, the software firm Evercode Infinite and individuals was dismissed in September 2024 because the court found it had no jurisdiction over them. That was a ruling about where to sue, not about whether Atomic was at fault. A second case, filed in federal court in California in June 2025, was still open when we checked.

Atomic's current terms, updated in December 2025, do not name the company behind the app. They choose the law of Panama with arbitration there, waive class actions and cap any damages at $50. The App Store still lists Atomic Protocol Systems OÜ, an Estonian company, as the developer. For a wallet that has already lost users' money, an operator that is hard to identify and hard to sue is a real weakness, and company record scores 35.

Can you check Atomic's code?

No. Atomic has a GitHub account, but WalletScrutiny found none of its repositories matched the wallet and described the app as closed source with obfuscated JavaScript. We found no public third-party audit and no bug bounty. Transparency scores 15, below even Simple, and it is what makes the unexplained 2023 theft so hard to put behind it.

If you use Atomic Wallet

  1. Keep only small amounts in it. For savings, use a Hardware walletA small dedicated device that stores crypto private keys offline and signs transactions inside the device, so the keys never touch your computer.More in the glossary with open firmware.
  2. If you move, create a brand-new Seed phraseA list of 12 to 24 words that can restore a crypto wallet and all its funds. Anyone who has it controls the wallet.More in the glossary in the new wallet and send the funds across. Importing your Atomic phrase elsewhere does not protect you if the phrase itself was exposed.
  3. Keep the app updated only from atomicwallet.io or the official store listings.
  4. Ignore anyone offering to recover 2023 losses for a fee. Atomic itself warned about impersonators.
  5. Check approvals you have given through its Web3 wallet, since we found no built-in warnings.

How we scored it

Security record (20) and transparency (15) are the weakest factors: a theft of over $100 million with no published cause or repayment, and code nobody outside can inspect. Key management (65) is the strongest, because the wallet uses a standard exportable backup phrase, but it stays below other software wallets until the 2023 cause is explained.

Questions people ask

What happened in the Atomic Wallet hack?

On 3 June 2023 Atomic users began reporting unauthorised transfers. Elliptic later estimated that more than $100 million was taken from over 5,000 wallets, with an average loss of about $2,800 and at least ten addresses losing more than $1 million each. Atomic halted downloads and updates and hired Chainalysis and Crystal to trace funds.

Did Atomic Wallet find out how it was hacked?

Not publicly. Its statement, last updated in September 2023, listed malware on users' devices, an infrastructure breach, malicious code injection or a man-in-the-middle attack as the most likely causes, and said none had been confirmed. We found no later post-mortem.

Did Atomic Wallet repay the victims?

We found no repayment or compensation plan. Atomic's terms cap its liability at $50 per user. A US class action was dismissed in September 2024 because the Colorado court lacked jurisdiction over Atomic, not on the merits, and a separate lawsuit filed in California in June 2025 is still open.

Was North Korea behind the Atomic Wallet hack?

Elliptic attributed the theft to North Korea's Lazarus Group with "a high level of confidence", based on laundering patterns and services such as the Sinbad mixer seen in earlier Lazarus hacks. That is Elliptic's assessment; no court has ruled on who did it.

I still use Atomic Wallet. What should I do?

If you keep more than small amounts in it, consider moving to a wallet with a clean record and published code, using a newly created Seed phraseA list of 12 to 24 words that can restore a crypto wallet and all its funds. Anyone who has it controls the wallet.More in the glossary rather than importing your Atomic one. Never pay anyone who offers to recover funds lost in 2023; that is a common follow-up fraud.

Sources

  1. 1.North Korea-linked Atomic Wallet heist tops $100 million (opens in a new tab) · Elliptic, 2023
  2. 2.North Korea's Lazarus Group likely responsible for $35 million Atomic crypto theft (opens in a new tab) · Elliptic, 2023
  3. 3.June 3rd Event Statement (opens in a new tab) · Atomic Wallet, 2023
  4. 4.Atomic Wallet wins dismissal of class suit over $100M hack (opens in a new tab) · Cointelegraph, 2024
  5. 5.Meany v. Atomic Protocol Systems OU, D. Colo. 1:23-cv-01582 (opens in a new tab) · CourtListener, 2024
  6. 6.WalletScrutiny: Atomic Wallet (opens in a new tab) · WalletScrutiny, 2026
  7. 7.Atomic Wallet Terms of Service (opens in a new tab) · Atomic Wallet, 2025
  8. 8.Atomic Wallet Security (opens in a new tab) · Atomic Wallet, 2025
Spot a mistake?