Blockchain security startup PeckShield has come across a critical vulnerability in multiple Ethereum smart contracts (based on the ERC20 protocol) which results in integer overflow – a common issue ...

Crypto exchange Poloniex has suspended all ERC-20 (Ethereum-based) token deposits and withdrawals, and HitBTC has initiated an internal inspection that takes deposits and transfers offline, following ...

Smart contracts are the worker bees of blockchain technology. Most of the programs that run on blockchains–ranging from financial exchanges to games–are decentralized applications (dapps) that are ...

The discovery of a bug has led to OKEX exchange halting all ERC20 token deposits. In a blog post, the exchange confirmed that the bug, called BatchOverFlow, was allowing malicious parties to “generate ...

The flight to Barbados isn’t a short one. I left home at 5am and didn’t get into Barbados until after midnight thanks to a minor delay caused by inclement weather surrounding Miami. I heard that it’ll ...

Decentralized networks are becoming commonplace on today's technical landscape, as enterprises seek to write custom applications that solve business problems. Increasingly these are based on smart ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

Smart contracts automate transactions on blockchains, cutting out middlemen and reducing fees. Decentralized finance uses smart contracts for trading, lending, and more without traditional banks.

We’ve been told again and again how cryptocurrencies are going to change the world. They’ll end the power of national banks, break down financial barriers and ease international trade. It hasn’t quite ...

In a world where most of the infrastructure behind processes, applications, and agreements relies on centralized entities, smart contracts are a novel concept that fosters trust and removes the need ...