BusinessAugust 10, 2026

calldata

KAL-day-tuh

Definition

The raw input data accompanying a transaction in Ethereum-style blockchains, often containing the specific instructions or function calls for a smart contract.

Etymology

This is a technical portmanteau derived from 'call' (referring to a function call in computer programming) and 'data', describing the information passed during the execution of a program.

In the news

The article mentions that input data—which includes calldata—is decoded by explorers to show users exactly what a smart contract transaction intends to do, rather than displaying an unintelligible string of code.

What is blockchain explorer? How does this works? 2026

Read the full article ↗

SunCrypto

Related words

accretive

Characterized by growth or increase, specifically in a financial context where an…

Business

airdropped

The distribution of digital assets, such as tokens or coins, directly into a user's…

Business

backdoors

Hidden or undocumented vulnerabilities, flaws, or access points within a computer program…

Business

blockchainexplorer

A web-based search engine that allows users to query, browse, and verify raw,…

Business

bytecode

A low-level, machine-readable form of program code that is processed by a virtual machine…

Business

mempool

A temporary staging area or holding queue on a blockchain node where transactions wait to…

Business

Learn a word like this every day

Meet one new word every morning.

Newspoken pulls one carefully chosen word from the day’s news — with a clear definition, context, and light review that makes it stick. Get it on your phone.