#smart-contract-security
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What is Tx.origin? In Solidity, Tx.origin is a global variable that returns the address of the account that originated the transaction. In other...
Any unknown visibility type of a function was set to public visibility type in older versions of the Solidity compilers. However, in more current...
The distributed ledger of the blockchain does not instantaneously update with new transactions. They are gathered into blocks and only added to the...
In the previous article, we talked about outdated Solidity compiler versions and their vulnerabilities. Floating pragma vulnerabilities are related to...
Reentrancy is a form of vulnerability that can happen in Solidity contracts when an external contract has the ability to call the main smart contract...
In Solidity, integers are limited in size and can only hold a certain range of values. For example, an uint8 (unsigned 8-bit integer) can hold values...
