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関連する概念動画

Social Proof00:52

Social Proof

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Social proof is a form of persuasion based on comparison and conformity. People compare their behavior and actions to what others are doing and will change to conform to do what their peers do.
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Surveys02:16

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Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
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Introduction to Surveying, Plane Surveying and Geodetic Surveys01:27

Introduction to Surveying, Plane Surveying and Geodetic Surveys

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Surveying is the art and science of mapping the earth's surface. It involves measuring distances, angles in horizontal or vertical directions, and levels to understand the shape and size of land features. Surveying techniques are essential for various tasks, such as identifying the levels of a land area with reference to a specific point, and mapping undulations and water bodies.There are two main types of surveying: plane surveys and geodetic surveys. Plane surveys assume the earth is flat,...
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Errors and Mistakes in Surveying01:19

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Errors and mistakes in surveying refer to inaccuracies in measurements and data recording. The errors are deviations from the actual value caused by human sensory limitations, equipment flaws, or environmental effects. These errors are typically unintentional and can result from the inherent imperfections in the instruments used, atmospheric conditions, or the observer’s inability to perceive exact measurements. On the other hand, mistakes are caused by the surveyor's lack of...
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Types of Surveys01:27

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Surveys are essential for marking property boundaries near water bodies. Different types of surveys are defined, each with its own function. Land surveys mark the property boundaries, while route surveys determine the position of properties on nearby highways. Topographic surveys create maps by capturing the three-dimensional features of the land. Hydrographic surveys focus on the shapes of underwater areas and the movement of streams through the properties. Mine surveys determine the relative...
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Survey Safety01:28

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Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
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Updated: Jan 29, 2026

Development and Testing of Species-specific Quantitative PCR Assays for Environmental DNA Applications
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逐次作業証明（PoSW）に関するサーベイ：開発、セキュリティ分析、および応用展望

Jingjing Zhang1, Yinxia Ran1,2, Xiuju Huang3

  • 1School of Computer and Cyber Sciences, Communication University of China, Dingfuzhuang East Street, Beijing 100024, China.

Entropy (Basel, Switzerland)
|January 28, 2026
PubMed
まとめ

逐次作業証明（PoSW）は、分散型システムに不可欠な、計算時間支出を検証可能な方法で証明する機能を提供する。このレビューでは、PoSWのバリアント、攻撃、応用、および検証可能な遅延関数（VDF）という特殊なケースを扱う。

キーワード:
逐次作業証明タイムロックパズルタイムド暗号検証可能な遅延関数

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Development of New Therapeutic Applications Using Microfluidics
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科学分野:

  • 暗号理論
  • コンピュータサイエンス

背景:

  • 逐次作業証明（PoSW）は、新興の暗号プリミティブである。
  • PoSWは、計算時間の実際かつ連続的な支出を証明する。
  • 分散型システム、タイムスタンプ、信頼コンピューティングに応用される可能性がある。

研究 の 目的:

  • 逐次作業証明（PoSW）を体系的にレビューし、議論する。
  • PoSWの開発軌跡、バリアント、攻撃、および応用を分析する。
  • PoSWの特殊なケースとしての検証可能な遅延関数（VDF）の進化経路と応用を強調する。

主な方法:

  • 体系的な文献レビュー。
  • PoSWバリアントの比較分析。
  • 攻撃ベクトルと応用シナリオの議論。

主要な成果:

  • PoSWは、計算時間を証明するための検証可能な方法を提供する。
  • 分散型システム、タイムスタンプ、信頼コンピューティングにおける多様な応用が存在する。
  • 検証可能な遅延関数（VDF）は、重要な特殊ケースであり、大きな応用可能性を秘めている。

結論:

  • PoSWは、時間ベースの暗号検証の基礎となるプリミティブである。
  • 安全な分散型技術を進歩させるためには、PoSWバリアントとVDFの理解が不可欠である。
  • このレビューは、この分野の研究者や実務家にとって包括的な参考資料となる。