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## What is the math behind a private key BASE58 (P2PKH)

Using this link I can understand something about a private key BASE58 (P2PKH): "such encodings will always yield a 51-character string that starts with ‘5’, or more specifically, either ‘5H’, ‘5J’, or ‘5K’." So let’s say I have this model of private key: 5J1111111111111111111111111111111111110111111222222 I know that is not a valid private key because I […]

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## Why is prothrombin time used to monitor warfarin and not activated partial thromboplastin time?

Warfarin is said to change prothrombin time (PT) but not activated partial thromboplastin time (aPTT) (for practical purposes at least anyways, not really sure). But looking at the mechanism of action of warfarin, I dont see why that is. Warfarin works by inhibiting vitamin K, or more specifically, vitamin K-mediated post-transnational modifications of certain clotting […]

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## Why is PT used to monitor warfarin and not aPTT?

Warfarin is said to change PT but not aPTT (for practical purposes at least anyways, not really sure). But looking at the mechanism of action of warfarin, I dont see why that is. Warfarin works by inhibiting vitamin K, or more specifically, vitamin K-mediated post-transnational modifications of certain clotting factors (X, IX, VII and II) […]

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