IEO (Initial Exchange Offering)
Token sale conducted on a centralized exchange, which manages distribution and listings.
Dapp Ahoy! World beyond Web3
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Archives: Glossary
Archives: Glossary
ICO (Initial Coin Offering)
Fundraising event in which a project sells newly issued tokens to the public.
IBFT (Istanbul BFT)
Proof‑of‑authority consensus with Byzantine fault tolerance, used in permissioned EVM chains.
IBC (Inter‑Blockchain Communication)
Protocol for trust‑minimized messaging and token transfers between sovereign chains.
Hyperparameter Optimization (HPO)
Search for the best hyperparameters using grid search, Bayesian optimization, or bandits.
Hyperparameter
Configuration parameters of a model or optimizer, e.g., learning rate, batch size, depth.
Human‑in‑the‑Loop (HITL)
Workflow where humans label, curate, or approve model outputs to improve quality.
HNSW (Approximate Nearest Neighbor)
Graph‑based index structure for fast vector similarity search in embedding databases.
Hidden Markov Model (HMM)
Probabilistic model with hidden states and observed emissions; classic sequence modeling approach.
Hessian
Matrix of second‑order partial derivatives; used in optimization analysis and curvature estimates.
Hallucination (LLM)
Model output that is fluent but factually incorrect or fabricated; mitigated by grounding and verification.
