Bitcoin Forum
July 25, 2017, 06:56:09 PM *
News: BIP91 seems stable: there's probably only slightly increased risk of confirmations disappearing. You should still prepare for Aug 1.
 
   Home   Help Search Donate Login Register  
Pages: [1]
  Print  
Author Topic: Validation  (Read 514 times)
magie720
Newbie
*
Offline Offline

Activity: 1


View Profile
July 25, 2011, 02:12:58 AM
 #1

How does bitcoin validate that a peer has the coins it claims to have? IE, what keeps me from modding the client on my computer to claim I have more than I do?
Advertised sites are not endorsed by the Bitcoin Forum. They may be unsafe, untrustworthy, or illegal in your jurisdiction. Advertise here.
1501008969
Hero Member
*
Offline Offline

Posts: 1501008969

View Profile Personal Message (Offline)

Ignore
1501008969
Reply with quote  #2

1501008969
Report to moderator
indio007
Full Member
***
Offline Offline

Activity: 224


View Profile
July 25, 2011, 02:17:26 AM
 #2

Non-technical explanation...

The amount of bitcoins has is stored by the entire network. If  what the client transmits don't jibe , the transaction will be rejected
Stephen Gornick
Legendary
*
Offline Offline

Activity: 2212



View Profile
July 25, 2011, 02:25:56 AM
 #3

How does bitcoin validate that a peer has the coins it claims to have? IE, what keeps me from modding the client on my computer to claim I have more than I do?

 - http://en.bitcoin.it/wiki/How_bitcoin_works#Double_spending

nafai
Member
**
Offline Offline

Activity: 112



View Profile
July 25, 2011, 03:48:06 AM
 #4

Bitcoin accounts are public/private key pairs. The address you send to is the public key. The private key that matches that public key is necessary in order to spend the bitcoins. You can create as many public/private keys as you want but they all have zero bitcoins unless someone sends btc to the public keys of those accounts. You can't mod your client to give yourself more bitcoins, because the bitcoins are associated with the public/private key pairs, not with the client or wallet.

1HQiS9PLHPcoQMgN8ZdcGwhoMHWh2Hp37p
Pages: [1]
  Print  
 
Jump to:  

Sponsored by , a Bitcoin-accepting VPN.
Powered by MySQL Powered by PHP Powered by SMF 1.1.19 | SMF © 2006-2009, Simple Machines Valid XHTML 1.0! Valid CSS!