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What is a DAO A DAO (Decentralized Autonomous Organization) is an organizational structure governed by rules encoded in smart contracts on a blockchain. Instead of a traditional hierarchy where executives make decisions, a DAO distributes decision-making power...

What is a multisig wallet A multisig wallet (short for multi-signature wallet) is a cryptocurrency wallet that requires more than one private key to authorize a transaction. Instead of a single person holding a single key with full control, a multisig wallet d...

What is a timelock A timelock is a mechanism built into a smart contract that enforces a mandatory delay between the moment a change is proposed and the moment it can actually be executed. During this delay period, anyone — users, token holders, security resea...

What are admin keys Admin keys are the cryptographic keys (or the addresses they control) that have privileged access to a smart contract's most sensitive functions — upgrading contract logic, changing parameters, pausing operations, minting tokens, or moving ...

What is a smart contract audit A smart contract audit is a systematic, third-party review of a smart contract's source code designed to identify security vulnerabilities, logical errors, and deviations from intended behavior before the code is deployed to a bl...

What is a bug bounty A bug bounty is a program in which a project offers financial rewards to independent security researchers who discover and responsibly disclose vulnerabilities in its code. Instead of relying solely on an internal team or a hired auditor, ...

Crypto knowledge map This page links all DecAIHub crypto explainers and shows how they connect. Use it when a project card names a chain, token, or domain you need to decode. In short: a map, not an encyclopedia; headings below link to standalone articles. Sta...

What is artificial intelligence Artificial intelligence (AI) is a broad term for software systems that perform tasks normally requiring human intelligence — analyzing data, making predictions, generating content, recognizing patterns, and supporting decisions....

What is an AI model An AI model is a mathematical structure that has been trained on data to produce useful outputs: predictions, classifications, generated text, images, scores, or decisions. Think of it as a very complex "recipe" that a computer has learned ...

What is machine learning (ML) Machine learning (ML) is a subset of artificial intelligence where systems learn patterns from data instead of following hand-written rules. Think of it as teaching by example: instead of writing a step-by-step recipe, you show th...

What is a large language model (LLM) A large language model (LLM) is a type of neural network trained on massive amounts of text so that it can understand and generate human language. Imagine an extremely well-read assistant that has absorbed billions of pages...

What is inference Inference is the process of running a trained AI model on new data to get a result. When a model classifies an image, generates a paragraph of text, predicts a risk score, or recommends an action, it is performing inference. If training is ho...

What is training Training is the process of teaching an AI model by exposing it to data so it learns patterns, relationships, and structures. Before training, a model is a blank structure with random parameters — it cannot classify images, generate sentences, ...

What is a dataset A dataset is a structured collection of data used to train, evaluate, or test an AI model. It is the raw material that machine learning runs on. Without a dataset, there is nothing for a model to learn from and no way to measure whether it wo...

What are benchmarks and quality metrics A benchmark is a standardized test that measures how well an AI model performs on a specific task. A quality metric is a numerical score that quantifies that performance — accuracy, F1, BLEU, perplexity, latency, and oth...

What is an AI component An AI component is the specific part of a project where real AI work happens — analysis, generation, prediction, ranking, or decision-making. It is not a marketing label or a brand mention. In DecAIHub project cards, the AI component fi...

AI component vs use case Every project card on DecAIHub has two fields that look similar but answer different questions: AI component and Use case. The first describes the specific technology inside the project; the second describes what the project does for i...

Automation vs real AI component Many crypto projects label simple automation as "AI." A trading bot that follows preset rules, a smart contract that routes transactions by gas price, a notification system that fires on thresholds — these are automation, not ar...