Linked Questions

2 votes
0 answers
61 views

What is multisig and why would I use it in bitcoin? [duplicate]

I read the term multisig address, as something that requires more than 1 signature. What is that? What would be the context of using that, why would I use something like that?
croraf's user avatar
  • 1,248
21 votes
4 answers
16k views

How can I create a multi signature 2-of-3 transaction?

Can somebody help me with step-by-step list of how to create a multi signature 2-of-3 transaction?
Andrew Vorobyov's user avatar
25 votes
1 answer
16k views

How secure is blockchain.info?

How secure is using a wallet on blockchain.info? How do you evaluate the different sites that provide wallets?
B Seven's user avatar
  • 861
15 votes
6 answers
4k views

How would a decentralised exchange work?

The idea of decentralised Bitcoin-fiat exchanges has been floating around. (For example Mastercoin, Ethereum and Bitshares claim to be able to do it.) How would such a decentralised exchange work?
Randomblue's user avatar
13 votes
1 answer
5k views

How does one make multisignature transactions with the bitcoin client?

With the release of bitcoin version 0.6.1rc2, it is now possible to do M-of-N required signature transactions in the main network. But how does one actually perform such a transaction? I've been ...
bastabob's user avatar
  • 471
7 votes
1 answer
4k views

Multi-signature and "pay to script hash" vs "pay to pub key hash"

If I understand correctly, there are two methods to perform a multi-signature transactions in Bitcoin. One is "pay to pub key hash", which is a method commonly used to send standard single signature ...
k kurokawa's user avatar
  • 2,092
4 votes
2 answers
2k views

Bitcoinj How to create multi-signature address using bitcoinj

Can somebody help me with step-by-step list of how to create a multi signature 2-of-3 transaction using bitcoinj api?
user27079's user avatar
1 vote
4 answers
653 views

Is there any blockchains that has implemented a 2fa type of security measure?

Currently someone can steal your btc private key and send all your funds away. But has there been a 2fa built into a blockchain that prevents something like this? Say if you wanted to send something ...
Patoshi パトシ's user avatar
4 votes
2 answers
1k views

Do some Bitcoin wallets fail to support sending to multi-signature addresses?

The Satoshi client has support for multi-signature transactions through the JSON-RPC API since version 0.6.1rc2. My understanding is that a multi-signature transaction creates an address which is ...
akaihola's user avatar
  • 582
0 votes
3 answers
316 views

How can you share a plaintext bitcoin address private key with a friend and ensure they won’t spend your bitcoin?

How can you share a plaintext bitcoin address private key with a friend and ensure they won’t spend your bitcoin?
demiculus's user avatar
  • 101
2 votes
1 answer
165 views

micropayment channels, n-m addresses, interoperability

I just read bitcoinJ's working with contracts tutorial and I am puzzled as: it seems to me that n-m addresses are implemented in Bitcoinj using plain multisig (as defined in this bit of the developer'...
hartmut's user avatar
  • 681
2 votes
1 answer
123 views

P2SH that pays out only to a certain Bitcoin address?

Is it possible to create a type of redemption script that when the correct number of signatures are collected pays out to a pre-defined address ?
Ian Purton's user avatar
  • 1,000