Glossary
Reentrancy
A reentrancy bug can let an attacker call into a contract again before state updates, potentially draining funds if not protected.
Plain-English meaning
In this game, Reentrancy is used as a vocabulary card for recognizing how market and technology concepts fit together. The short idea is: repeated call exploit.
The term is not shown as a recommendation. It is included so players can learn the language they may see in exchange interfaces, wallet prompts, research notes, AI product pages, or on-chain analytics dashboards.
Why it belongs with On-Chain Security
These terms describe common security patterns and attack surfaces without making any investment recommendations.
When solving the puzzle, compare the job this term performs with nearby cards. A correct group usually shares a function, risk type, workflow, or market structure rather than simply sharing similar wording.
Where you might see it
You might encounter this term while reading educational explainers, product documentation, risk disclosures, market dashboards, or beginner guides. Always separate vocabulary learning from financial decision-making.