David Schwartz

Moderator ♦ less info

network profile

19,525 reputation

23580

bio	website
	location	Murphys, CA
	age	43
visits	member for	1 year, 8 months
	seen	11 hours ago
stats	profile views	1,034

I am OpenCoin's Chief Cryptographer and one of the architects of the Ripple payment system.

I live in California's Gold Country, east of Sacramento.

Bitcoin: 1Gonhezk1ScHaFqUSYH9VQThaDS4PJSq1o

summary answers questions tags badges favorites bounties reputation activity

363 Answers

votes activity newest

41	Does hoarding really hurt Bitcoin?
33	Should I leave the Bitcoin client open?
24	What methods could a government use to shutdown Bitcoin?
24	Have any cryptography experts vetted the bitcoin source code?
21	What exactly is Mining?

view more

19,525 Reputation

+10	I traded XRP for BTC. How do I withdraw my bitcoins from ripple.com?
+10	What is the different between Open Transactions and Ripple?
+10	How does change work in a bitcoin transaction?
+5	Are there algorithms that could have been chosen for mining that balance CPU/GPU?

view more

5 Questions

votes activity newest

20	Are there algorithms that could have been chosen for mining that balance CPU/GPU?
9	Would a reduced block generation time make the Finney attack more difficult?
7	Are there algorithms that could be used for mining that resist acceleration with ASICs?
6	Can an SMPPS (Shared Maximum Pay Per Share) pool be hopped?
6	Which Bitcoin weakness most hinder Bitcoins ability to gain market and mind share? [closed]

204 Tags

352 mining × 66	129 protocol × 33
329 transactions × 62	121 economics × 20
235 ripple × 64	116 blockchain × 27
213 security × 30	97 exchanges × 15
155 client × 24	96 network × 17

view more

30 Accounts

	Stack Overflow	49,852 rep	22965
	Super User	22,792 rep	22444
	Bitcoin♦	19,525 rep	23580
	Server Fault	16,500 rep	11438
	English Language & Usage	5,183 rep	11018

42 Badges

recent class name

Nice Answer × 49	Popular Question × 2
Guru	Pundit
Enlightened × 26	Civic Duty
Revival	protocol
ripple	blockchain

view more

0 Active bounties

active offered earned

This user has no active bounties

362 Votes Cast

all time			by type			month
342	up		62	question		11
20	down		300	answer		11

Technology			Life / Arts	Culture / Recreation	Science	Other
Stack Overflow Server Fault Super User Web Applications Ask Ubuntu Webmasters Game Development TeX - LaTeX	Programmers Unix & Linux Ask Different (Apple) WordPress Answers Geographic Information Systems Electrical Engineering Android Enthusiasts IT Security	Database Administrators Drupal Answers SharePoint User Experience Mathematica more (14)	Photography Science Fiction & Fantasy Seasoned Advice (cooking) Home Improvement more (13)	English Language & Usage Skeptics Mi Yodeya (Judaism) Travel Arqade (gaming) Bicycles Role-playing Games more (22)	Mathematics Cross Validated (stats) Theoretical Computer Science Physics more (7)	Stack Apps Meta Stack Overflow Area 51 Stack Overflow Careers

site design / logo © 2013 stack exchange inc; user contributions licensed under cc-wiki with attribution required

rev 2013.5.22.696