Lecture 1 — Intro to Crypto and Cryptocurrencies

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First lecture of the Bitcoin and cryptocurrency technologies online course.

For the accompanying textbook, including the free draft version, see: http://bitcoinbook.cs.princeton.edu/

In this lecture (click the time to jump to the section):
* Cryptographic hash functions 1:51
* Hash pointers and data structures 20:28
* Digital signatures 29:25
* Public keys as identities 39:04
* A simple cryptocurrency 44:39


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Lander. B says:

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Brocho-_xx says:

In the past several years, the use and prevalence of virtual currency have increased exponentially. The proliferation of digital assets has changed the way goods and services are exchanged and has allowed for faster and cheaper transactions. But with this new technology comes the increased risk of fraudulent activity – especially tax fraud. Recently, the Internal Revenue Service (“IRS”) has made it abundantly clear through guidance, amendments to tax forms, and even warning letters to Americans suspected of tax fraud, that it is getting very serious about virtual currency tax compliance.

The IRS and the Department of Justice (the “DOJ”) appear to be poised to commence a flurry of enforcement actions against virtual currency tax fraud offenders. Likely to be entangled in these enforcement actions are virtual currency institutions and companies that regulators suspect facilitated their customers’ tax evasion. It is thus imperative for all entities in the virtual currency industry to ensure their compliance programs are equipped to detect and prevent the facilitation of virtual currency tax fraud.

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Deborah Dada says:

Hey friends, have you heard of Bitcoin it's a crypto currency and it have value like dollar, you can search about Bitcoin on Google and see some information about it. Currently I have invested some money about $2000 worth Bitcoin and I earn $100 everyday from the investment and also my friend william invested $5000 Bitcoin in fact he borrowed some money and invested now he receives $200 daily Mr, Andrew @Dennis__forex09 on insta

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