Discover and read the best of Twitter Threads about #binary

Most recents (3)

Introducing my #the100dayproject inspired by @QMUNITY and my fellow #ADE @Sharon_Drummond. 100 days, 100 GIFs, 100 queer terms to educate and connect our community and allies. All GIFs created with #AppleKeynote and will be compiled on @GIPHY : giphy.com/channel/joepau… @AppleEDU
Day 1: QUEER - widely used among the community to refer to the spectrum of non-heterosexual +/ non-cisgender ppl as a shorthand. Important - this is RECLAIMED language that was/is still used as a hate term. #pride #education @QMUNITY @sogiUBC Follow along ———> #100daysofQueer
DAY 2: HETERONORMATIVE - social roles & structures that reinforce idea that heterosexuality is the presumed norm and is superior to other sexual orientations. #pride #education #sogi #humanrights @QMUNITY @sogiUBC @HRC

Follow along —-> #100daysofQueer created on #AppleKeynote
Read 27 tweets
1/5

Programs can still be directly implanted into the #Bitcoin blockchain using the last 8 digits in it's decimal system (X.00000000) for as cheap as 0.1 $BTC minus transaction fees.

Approx. $350 USD + a lot of TX fees.

Each transaction will store 1 byte of Binary code.
2/5

There are two possible states in a "bit", usually expressed as 0 and 1

A series of eight bits strung together makes a byte (X.00000000 : TX amount)

With 8 bits (8 binary digits) there exist 2^8=256 possible combinations. I assume this is the basis for SHA-256 encryption 🎓
3/5

This can only be done efficiently while $BTC is still affordable.

To store each byte of program will cost 1 transaction (TX)

1kb = 1,000 TX's
1mb = 1,000,000 TX's
1gb = 1,000,000,000 TX's
1tb = 1 trillion transactions

Whoever built #Bitcoin did it for #Binary immutability
Read 6 tweets
#linux #bash #obfuscation using shell parameter expansion:

alphabet=abcdefghijklmnopqrstuvwxyz
${alphabet:2:1}at really
${alphabet: -24:-23}at really
${alphabet: -24:1}at really
${alphabet:2:-23}at really

gnu.org/software/bash/…
similar #bat #windows (ss64.com/nt/syntax-subs…)
The goal is to obfuscate the following command:
cat really
in which, really is a file.
Using arithmetic (add, sub, mul, div, mod, and pow) for calculating index or lenght
${alphabet: 2:(-20-3)}at really
Read 6 tweets

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