Oracle
An oracle delivers off-chain information, such as prices or events, to a blockchain application.
Read the glossary entryAug 22, 2026
Pick 4 related terms.
Find hidden groups across crypto, finance, and AI vocabulary. Tap any card to start.
Cards16
Groups4
Mistakes4
Choose 4 cards
Submit a group
Clear all 4 groups
Daily board
Find the hidden groups.
0/4Groups0/4Selected4Mistakes
Select four related cards.
Hints
Category clues without revealing the full board.
Answers
Full groups with short definitions for every term.
Archive
Previous crypto, finance, and AI vocabulary puzzles.
Study Plan
A repeatable learning routine for daily vocabulary practice.
Today's vocabulary
Four terms to know before you play.
These cards explain individual words without revealing which four terms belong together. Open a glossary entry when you want the full context.
Duration
Duration measures how sensitive a bond or fixed-income asset is to changes in interest rates.
Read the glossary entryQuantization
Quantization reduces the precision of model numbers to save memory and speed up inference.
Read the glossary entryHaircut
A haircut is the discount applied to an asset's value when it is used as collateral or measured for risk.
Read the glossary entryLearning paths
Go deeper than a single definition.
Use one guide at a time to connect the words on the board to the systems, risks, and workflows they describe.
Risk foundationsDeFi Risk Terms for Beginners
Compare collateral, liquidation, oracle, contract, and liquidity risk.
Market mechanicsExchange Orders and Market StructureLearn how order books, spreads, slippage, and routing fit together.
AI operationsData Provenance and AI Content CredentialsCompare provenance records, credentials, attestations, and verification.
Applied readingEvidence-Based Case StudiesPractice separating observations, conclusions, and uncertainty.
Interactive lab
Change the depth. Watch the average price move.
The Order Book Lab turns spread, depth, weighted price, and slippage into an editable model. It is a learning exercise with explicit limits, not a trade simulator.
Learning guide
Built for vocabulary practice, not market calls.
Crypto, finance, and AI products often reuse the same words in different contexts. A player might see collateral in a lending protocol, margin on an exchange, or evaluation in an AI workflow. The daily board helps connect those terms to their actual job.
Each puzzle keeps the format simple: 16 terms, four hidden groups, short hints, and answer pages that link into a glossary. The site avoids token picks, price targets, trading signals, and personalized advice.
Read the learning guideWhy this exists
Market language is easier when terms are compared side by side.
Many crypto and AI terms are learned in isolation, which makes them easy to confuse. A stablecoin reserve is not the same thing as collateral. A prompt is not the same thing as retrieval. A market order, limit order, and stop loss all describe instructions, but they behave differently inside an exchange or broker interface.
The puzzle format forces that comparison. Players do not only ask what a word means; they ask what job the word performs. That approach gives the site a clear educational purpose beyond a simple word list.
Review workflow
Play, check the reasoning, then read one guide.
A practical session takes only a few minutes: solve the daily board, open the answer page, and pick one unfamiliar term to review in the glossary or a learning guide. The site is intentionally narrow so that a reader can build vocabulary without scrolling through market predictions or promotional narratives.