MENTAL MODEL · M5574

Avalanche Effect

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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

In complex systems, a tiny initial perturbation (like a single snowflake) is amplified through cascading effects, ultimately leading to a drastic collapse of the entire system. In cryptography, a small change in input (e.g., changing one bit) leads to a huge change in output (avalanche).

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

An extreme version of the butterfly effect. In risk management, don't just focus on "big threats"; pay more attention to the "first snowflake" that seems trivial but could trigger an avalanche. In communication, a careless negative comment could be the start of an avalanche.

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Anchor fast decisions

A tiny initial perturbation leads to a drastic system collapse through cascading amplification; in cryptography, a small input change leads to a large output change, reflecting strong sensitivity.

MINIMUM ACTION

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Practice this model in one real situation:

Identify the "first snowflake" that could trigger an avalanche
monitor small perturbations rather than only big threats
utilize or guard against avalanches when designing ciphers or systems
set circuit breakers to prevent cascades.

Check to track your progress (stored locally)

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Source support: Explicit

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zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E9%9B%AA%E5%B4%A9%E6%95%88%E5%BA%94ZH · Explicit
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