The Valid Network Blog

Latest Blogs

Denial of Service to Blockchain

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.

Introducing Ethereplay by Valid Network

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.

Broken Authentication: The Greatest Vulnerability to Cryptographic Systems

What do blockchain, VPN, and SSH all have in common? They’re all implementations of cryptographic technology.

Financially Exploiting the Blockchain with Frontrunning

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.

The Risks of Broken Access Control and the Blockchain

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.

The Risks of Injection Attacks on the Blockchain

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.

An Introduction to the Enterprise Blockchain Landscape

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.

Decentralized Applications: The good, the bad, and why should enterprises care?

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.

Onboarding blockchain tech? Don’t miss these important facts

Key issues that enterprises must carefully consider and deal with when onboarding blockchain technology

Tornado.cash Decentralization applications Issues

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.

The Reentrancy Strikes Again — The Case of Lendf.Me

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.

Serverless Over Kubernetes - The Clean Way

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