RU
EN
/
Protect me
Sec Well Privacy Policy
Blockchain: defense against cyberattacks
DATE: 03/03/25
Leave your contact details, and we’ll show you how to enhance your security without disrupting operations.
Want to Learn More?
Cloud-based signaling
The system automatically notifies the cloud-based protection service when an attack is detected. Rapid activation of protection measures minimizes damage from the attack and ensures service continuity (SLA up to 99.99%).

Ensure service stability and boost sales with no cyberattacks worries
Training mobile application traffic models takes no more than 3 days
API protection without code changes
One vendor for all
We filter all DDoS attacks at L3-L7 and mitigate threats listed in the OWASP Automated Threats to Web Applications, Top 10, and API Security Top 10
Why Secwell
Covers 97% outer circuit protection needs on L3-L7 level
Filter your traffic with zero false-positives
Finds fakes resources
Secwell solution
One attacker used more than 1,000 wallet addresses to obtain more than 428,000 Arbitrum tokens worth about $531,000
Arbitrum
Attackers exploited the grant system by creating multiple accounts to donate small amounts in an effort to maximize matching funds and qualify for future airdrops

Fraudulent NFTs were distributed to Solana users with invitations to fake airdrops. These tokens were sent out immediately after the real Jupiter airdrop.
Gitcoin
Examples
Consequences:

— System overload and poor performance
— Frequent errors
— Loss of user trust
— Direct financial losses
— KYC/regulatory fines
Fraudsters send digital assets to users’ wallets without consent—typically to promote phishing websites or other scams imitating a real brand resourc
Unsolicited cryptocurrency or NFTs
Cybercriminals create fake airdrop campaigns to trick users into providing sensitive information or connecting their crypto wallets to malicious websites. Victims are promised free tokens but end up losing assets instead.
Airdrop scams
Automated bots generate multiple fake accounts to claim large amounts of free tokens. These tokens are later dumped for assets, leading to market manipulation and volatility.
Airdrop farming (Sybil Attacks)
L7 common blockchain attack vectors
Famous 17-hour outage due to a transaction flood during an initial DEX offering, with bots generating up to 400,000 transactions per second.
Solana
After the announcement of changes to the bid wording, hackers attacked the login interface of the exchange. Its duration was 97 minutes, the peak value at the network level — 1.025 Tbps.
US spot bitcoin-ETF
Consequences:

— Service failures
— Unauthorized access
— Increased operational costs

Examples
Massive L3-L4 DDoS attacks
What’s at risk?
If cybercrime were a country, it would have the third-largest GDP in the world, trailing only the US and China. And that’s no exaggeration.

The largest economies in the world:

— US – $27.9 trillion
— China – $17.1 trillion
— Cybercrime – $9.5 trillion

Blockchain is one of the most targeted sectors for cyberattacks.
If cybercrime were a country, it would have the third-largest GDP in the world, trailing only the US and China. And that’s no exaggeration
Blockchain: defense against ...
Anna Nigmati
Business Development Manager at Secwell
Leave your contact details, and we’ll provide demo materials, battle cards, or arrange a brief call
Want to Learn More?
Products
Contact
Medium
Industries