Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Bitcoin
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Penelope Phippen
January 24, 2014
Technology
1
210
Bitcoin
A talk I gave about Bitcoin at the Pervasive Media Studio.
Penelope Phippen
January 24, 2014
Tweet
Share
More Decks by Penelope Phippen
See All by Penelope Phippen
Introducing Rubyfmt
penelope_zone
0
590
How RSpec Works
penelope_zone
0
6.8k
Quick and easy browser testing using RSpec and Rails 5.1
penelope_zone
1
98
Teaching RSpec to play nice with Rails
penelope_zone
2
160
Little machines that eat strings
penelope_zone
1
120
What is processor (brighton ruby edition)
penelope_zone
0
130
What is processor?
penelope_zone
1
370
extremely defensive coding - rubyconf edition
penelope_zone
0
280
Agile, etc.
penelope_zone
2
240
Other Decks in Technology
See All in Technology
Webhook best practices for rock solid and resilient deployments
glaforge
1
280
ファインディの横断SREがTakumi byGMOと取り組む、セキュリティと開発スピードの両立
rvirus0817
1
1.2k
今日から始めるAmazon Bedrock AgentCore
har1101
4
400
制約が導く迷わない設計 〜 信頼性と運用性を両立するマイナンバー管理システムの実践 〜
bwkw
3
900
セキュリティについて学ぶ会 / 2026 01 25 Takamatsu WordPress Meetup
rocketmartue
1
290
Azure Durable Functions で作った NL2SQL Agent の精度向上に取り組んだ話/jat08
thara0402
0
160
GitLab Duo Agent Platform × AGENTS.md で実現するSpec-Driven Development / GitLab Duo Agent Platform × AGENTS.md
n11sh1
0
130
Embedded SREの終わりを設計する 「なんとなく」から計画的な自立支援へ
sansantech
PRO
3
2.3k
All About Sansan – for New Global Engineers
sansan33
PRO
1
1.3k
Claude_CodeでSEOを最適化する_AI_Ops_Community_Vol.2__マーケティングx_AIはここまで進化した.pdf
riku_423
2
520
Introduction to Bill One Development Engineer
sansan33
PRO
0
360
usermode linux without MMU - fosdem2026 kernel devroom
thehajime
0
230
Featured
See All Featured
KATA
mclloyd
PRO
34
15k
Building Adaptive Systems
keathley
44
2.9k
Leadership Guide Workshop - DevTernity 2021
reverentgeek
1
200
Are puppies a ranking factor?
jonoalderson
1
2.7k
Mind Mapping
helmedeiros
PRO
0
78
世界の人気アプリ100個を分析して見えたペイウォール設計の心得
akihiro_kokubo
PRO
66
36k
Context Engineering - Making Every Token Count
addyosmani
9
650
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
38
2.7k
30 Presentation Tips
portentint
PRO
1
210
Why Your Marketing Sucks and What You Can Do About It - Sophie Logan
marketingsoph
0
72
Building an army of robots
kneath
306
46k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
34k
Transcript
Bitcoin
!/samphippen
What is Bitcoin?
None
It’s an Internet currency
Previous Internet currencies
None
None
None
None
Decentralized
No central authority
Peer to peer
No transaction fees
Globally useable
No one to freeze your account
No arbitrary limits
So, how do you get bitcoins?
How bitcoin works
None
Wallet generates a cryptographic key
Key has a public and private part
Their Private My Public
Mining
Mining requires hard computation
1000 dice
Get one six
Get two sixes
Problem can get arbitrarily hard
One winner every 10 minutes
Winner of the mining problem gets 25 btc
This halves every 210,000 winners
None
There will only ever be 21 million bitcoins
They can be destroyed/lost
All transactions are public
Mining also verifies all transactions
This prevents double spending
Bitcoin is weakly anonymous
Bitcoin’s impact so far
Freedom
None
None
None
Bitcoin donations
At least 3500 bitcoins were donated
Bitcoin now at $915
None
All digital communications
Bitcoin may be traceable
Anonymise
The Silk Road
None
Built as a “hidden service”
None
FBI hacked the silk road
Worked out who owned it
Also “assassins”
Government seized the bitcoins
None
Indicated they would sell them
~$27,000,000
Silk Road 2.0
None
Bitcoin trading
Buy and sell for $US
None
Not just mining export
Stock exchange for hackers
Huge transaction volume
“Digital commodity”
Altcoins
Bitcoin is open source
People are weird
None
None
None
None
Different problem
Harder to parallelise
Favours CPUs
Funnies
None
None
None
Let’s have some questions !
[email protected]
(we make things with
love and data) !/samphippen