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  1. Aug 2022
  2. Local file Local file
    Untitled document
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    1. cranium_arboretum 11 Aug 2022
      ANALYSIS OF ATTACK EVENTS

      • Flash loan is a type of unsecured lending that relies on the atomicity of blockchain transactions at the point of execution and adds dynamism to DeFi

      • Reentry attack " the DAO"

      • Arithmetic bug

      flash loans reentry attack arithmetic bug oracle attack

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  3. Dec 2021
  4. tvrctkmytfln.gitee.io tvrctkmytfln.gitee.io
    Randal E. Bryant, David R. O’Hallaron - Computer Systems. A Programmer’s Perspective [3rd ed.] (2016, Pearson)Global Edition.pdf
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    1. sherlockliao 09 Dec 2021
      one for unsigned (mulq) and one for two’s-complement (imulq) multiplication.For both of these instructions, one argument must be in register %rax, and theother is given as the instruction source operand.

      mulq 和 imulq 分别表示什么指令集，他们的操作数有什么要求？

      instruction set arithmetic operations multiply operand
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    tvrctkmytfln.gitee.io/blog/files/download/CSAPP.pdf
  5. Jan 2017
  6. academic.evergreen.edu academic.evergreen.edu
    Binary Arithmetic -- Technical Notes
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    1. bogste 24 Jan 2017
      LSB (least significant bit):  The rightmost bit MSB (most significant bit):  The leftmost bit

      This only applies to Little-endian architecture. Big-endian is reversed.

      More at: https://en.wikipedia.org/wiki/Endianness#Examples

      binary math arithmetic endianness understand MSB LSB
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    academic.evergreen.edu/projects/biophysics/technotes/misc/bin_math.htm