2020 has seen a rise in both impact of attacks and sophistication overprevious years. Attackers stole $3.8 billion -- in just 122 attacks. This blog covers the Top Blockchain Hacks of last year. Looking forward towards 2021, companies utilizing blockchain will continue to face these challenges with both known and novel threats in a highly open and visible ecosystem.
When we hear about Denial of Service attacks in the news, they usually target websites and web applications. But blockchain implementations in cryptocurrencies and various forms of record keeping technologies can be particularly vulnerable to Denial of Service attacks due to having millions of users.
We are excited to announce Ethereplay by Valid Network, a free community tool to support examining, analyzing, optimizing and securing of smart contract code on Ethereum.
What do blockchain, VPN, and SSH all have in common? They’re all implementations of cryptographic technology.
What if you could make USD 1,000,000 in 30 minutes on the blockchain with some scripts, insider knowledge, and the right timing? Unethical, illegal, and difficult to prevent, this threat to the defi is called frontrunning.
As blockchain applications are a form of web application, access control is still a common problem even for blockchain developers. But despite its common use, access control is difficult to implement and manage properly, easily leading to a misconfigured security control that leaves an enterprise’s data at risk.
Injection attacks are one of the most significant risks to any network-connected system. These attacks use malicious data to attack software systems and can be launched against the client-side of an application, but also against the server-side the database, and the smart contracts.
Enterprise blockchains are starting to gain popularity in recent years. After the big hype around digital currencies has slowly subsided, the interest shifted to the technology that formed the basis for these currencies, the blockchain, and the possibilities it holds for organizations.
With the upsurge of blockchain, the emergence of dApps is already a steady trend. Now is the time for enterprises to pay more attention to what’s happening and how it affects them and their target audience.
Key issues that enterprises must carefully consider and deal with when onboarding blockchain technology
Tornado.cash is a recently announced dApp on Ethereum that allows private transactions on the otherwise public Ethereum network. Private transactions have been a lot sought after feature on Ethereum, with many projects developing such features.
DeFi or decentralized finance is a growing sector in the blockchain and cryptocurrency space that defines an ecosystem of decentralized applications providing financial services with no governing authority.
Whenever you want to login into your social media account, say Twitter, you are expected to provide a secret passage – a password. The website checks if your password is correct and if it is, you are granted access. This mechanism works because Twitter assumes
