B-Money A scheme for a group of untraceable digital pseudonyms to pay each other with money and to enforce contracts amongst themselves without outside help. concept references

Bitcoin A Peer-to-Peer Electronic Cash System that prevents double spending using the hash-based proof-of-work driven network transactions, that are authenticated by global consensus. concept references papers

Basics of Linguistics The scientific study of language and its structure, including the study of grammar, syntax, and phonetics. concept references

Zero Sum Subarrays To find continous sub-arrays that have sum zero. array-algorithms references algorithms

Sort Binary Array To sort a binary array using Quicksort logic. array-algorithms references algorithms

Pair Sums In An Array To find a pair in an array that add up to a given number. array-algorithms references algorithms

Duplicate In Limited Range Array (XOR) One way to find the duplicate in a limited range array using XOR operation. array-algorithms references algorithms

Blockchain A blockchain, originally termed as block chain, is a continuously growing distributed list of records, called blocks, that are linked using cryptographic security. concept references