The hash of an ECDSA key-pair's public component. Knowledge of this value allows a user to send Bitcoins to another person over the network.

learn more… | top users | synonyms (1)

1
vote
1answer
15 views

Colored coin with stealth addresses

Is it possible to use colored coins with stealth addresses? My main consideration being that coloring a unit of cryptocurrency requires being able to keep track of its exact location at all times ...
1
vote
0answers
15 views

How to get bitcoin address from the pubkey_hash using bitcoin-abe or something else?

I'm using: https://github.com/bitcoin-abe/bitcoin-abe to import the blockchain into a mysql DB it is almost done after 5 days. So I started looking at the data and didn't see any addresses. I know the ...
1
vote
1answer
22 views

Compressed keys default for brainwallet?

I'm somewhat confused re compressed addresses... Assuming I were to make a brainwallet using "correct horse battery staple" as my passphrase gives 1JwSSubhmg6iPtRjtyqhUYYH7bZg3Lfy1T (uncompressed ...
0
votes
1answer
49 views

Can you help me fix this address?

I just got this address: 1a8LDh3qtCdMSAgRXzMr4zB8w1EG4h1Xi, but the checksum doesn't validate. Can someone help me fix it by changing some characters that look/sound similar?
1
vote
1answer
31 views

Bash BTC and LTC address generator

Do you know any bash script or C simple program to generate btc and ltc addresses? I need to generate address while in recovery mode on osx or on a linux onthefly. But I cannot find such a thing on ...
2
votes
2answers
36 views

Is it possible to check if a bitcoin address “belongs to” a master public key from a deterministic wallet?

Let's say I have a Master Public Key (MPK) and have a derived some addresses from it. How can I check later if a given address was derived from my MPK?
2
votes
1answer
55 views

Advanced Bitcoin Transactions

Let's say that 7 users want to spend money from a Bitcoin multisig address. The approval of funds from this address requires the signatures of A (the leader), either B or C (two managers), and 2 of 4 ...
2
votes
1answer
22 views

On multibit how do I update my sending address? [closed]

I have bitcoin in my transactions but it does not appear in my wallet. It says updates stopped
1
vote
1answer
54 views

Why is it possible to have multiples addresses in an output of a transaction?

I am trying to load the blockchain into a MySQL database by using the data gathered from RPC calls to bitcoind. I am wondering why the "addresses" key within the "vout" array of a transaction is ...
1
vote
1answer
12 views

Bitcoin wiki docs, account or address?

listtransactions [account] [count=10] [from=0] Returns up to [count] most recent transactions skipping the first [from] transactions for account [account]. If [account] not provided it'll ...
1
vote
1answer
61 views

Is it safe to send to my own address from my wallet?

I have a wallet.dat which has so many addresses in it. Like 1, 2, 3, 4, ....., 1234324234 addresses. (Each number is address) I backed up original wallet.dat, and I want to use this light wallet.dat ...
4
votes
2answers
82 views

Decentralized democratic voting [duplicate]

Has the fundamental problem in cryptovoting, one person, one vote, in a completely decentralized or blockchain centric manner been solved? In other words, how can votes be allocated in a ...
2
votes
1answer
29 views

How to get the Input Address from vin where only a txid is given (Insight-Api)

I like to find the Input Address and Amount for a vin like this: "vin": [ { "txid": "e3f0e88ce224d342a0189c1b9d2fd488d8bda2f303dbe1e1dbbaa5f51d9f4a53", "vout": 1, ...
1
vote
1answer
20 views

How to distinguish addresses currencies apart on php [closed]

I need depending on the address to assign a value of the transaction. Both at the level of php distinguish btc ltc from ppc?
2
votes
2answers
124 views

How does the bitcoin network disallow people generating a key pair already generated? [duplicate]

Is it possible to generate a key pair that has already been generated? Wouldn't it collide with an existing value? I assume it is mathematically very unlikely, but odds higher than 0 are still ...
1
vote
1answer
56 views

Why does bitcoin use public keys as pseudonyms?

Why does bitcoin use public keys as pseudonyms? Is there any reason for that? What are the advantages of using public key as the pseudonyms? Highly appreciate if someone can give me an answer.
1
vote
1answer
32 views

Do receiving addresses expire on Multibit?

Okay so I have tried Resetting Blockchain and Transactions plenty of times. The only thing is I used an old receiving address that I used about 2 months ago. Do these addresses expire? Can they only ...
0
votes
2answers
123 views

Generating Ripple address

I am trying to recreate the Ripple address from Account Family wiki page and I am having some problems. I have the private generator of ...
2
votes
1answer
61 views

Genenerate address offline, but blockchain knows about my address

I generate new address in client. I hear that blockchain doesn't know about it. Blockchain will know about it when I use this address for transaction. My example: I generate this address(offline): ...
8
votes
2answers
550 views

Can two private keys generate the same (public) Bitcoin address?

I know that private key is generated randomly by wallet. Is it possible that wallet generate the same address which is used in Bitcoin? In other words: Given two private keys ka ≠ kb, is it ...
0
votes
3answers
75 views

Is it possible generate three public key( address ) by only one private key?

I hear that each address has one private key. Is it possible generate three public key address by only one private key?
0
votes
0answers
26 views

How many addresses are in blockchain? [duplicate]

I understand that client like bitcoin-qt can generate addresses indefinitely, but only true or active addresses are in blockchain. How many addresses are in blockchain? Is somewhere statistics data ...
1
vote
1answer
89 views

What is the maximum of receive addresses the default wallet can handle?

I guess there is no limit. But on tests, what is the maximum before the bitcoind start to slow down in a specific machine?
0
votes
3answers
159 views

How does cryptsy.com currency trading works?

I am using cryptsy and i am unclear how cryptsy works, At first i deposited dogecoin to newly generated address and then I made the sell offer for DOGE/LTC, now i am having some LTC but i don't see ...
0
votes
3answers
101 views

Getting sender address, python

Getting senders account Say we got txid by listtransactions: "txid" : "2ca54b92338e52bbb16562dd7a91e8670d9362bb255e21fb568acc13e732b6b7" then getrawtransaction ...
0
votes
1answer
40 views

Is it possible to retrieve bitcoin address?

I have Bitcoin daemon running in Amazon AMI, i have some balance in my bitcoin wallet, suppose i re-install os/daemon, is it possible to retrieve those balance what happened to that bitcoin ...
-1
votes
1answer
46 views

CoinPunk questions with private base58 encoded private keys?

I am extemely sorry if this not the right place... but thought I could maybe get some pointers? Well, basically, if you look at this: ...
1
vote
1answer
47 views

What is BIP32-style derivation?

I am reading the technical "specification" for stealth addresses, available here. The core idea is described in the following paragraph: Using Elliptic curve Diffie-Hellman (ECDH) we can generate ...
1
vote
2answers
55 views

What is the best method of getting the originating address of Bitcoin transaction?

As far as I see there are currently two methods of getting the sender's address in a Bitcoin transaction: Look up the input transaction and read the corresponding output address there (like this: ...
1
vote
1answer
76 views

Which wallet application lets you send to multiple output addresses with just 1 fee?

Which wallet applications lets you send to multiple addresses from one output? I'm looking to build a physical bitcoin kiosk faucet and was looking to see how I would avoid miner fees if i combined ...
2
votes
2answers
36 views

Generating addresses on the fly or pre-generate and store public key?

When running a service that needed a bitcoin address, would it be better to generate a new address to use at that moment and store the private key on your server, or would it be better to pre-generate ...
7
votes
2answers
360 views

Is it possible for someone to verify that a wallet is theirs wallet, without providing their private key?

I need to know with 100% certainty that someone can tell me "this is my wallet" and prove it to me. I could of course simply get their private key/brainwallet phrase, is there any other way to do it? ...
2
votes
1answer
68 views

Is change of Bitcoin address of an account possible?

I have multiple Bitcoin addresses in my Bitcoin Daemon, Which address will be used for receive transaction Can i change my default account address(mentioned in 1) to new one
2
votes
1answer
107 views

Do electrum fully support Hierarchical Deterministic Wallets?

I'm curious if electrum fully support Hierarchical Deterministic Wallets (BIP32). I have seen in source code that some part of implementation is done. But there are also as I think some electrum ...
1
vote
1answer
68 views

multibit balances wrong, not correct for any individual address

In my multibit wallet, it reports X bitcoins. But no address in that wallet contains exactly X bitcoin, and the total reported amount should be greater than X. The reason this is stranger than ...
1
vote
0answers
63 views

Remove address sub from blockchain websocket API

According to the docs, Blockchain.info provides a websocket API that streams a few things: All unconfirmed transactions using "op: unconfirmed_sub" New blocks & the data they contain using "op: ...
1
vote
0answers
60 views

If I accidentally delete an address with funds

If the address is deleted (while using an online provider like CoinJar), does that mean the coins are lost for good? Or all public/private keys are still held by the company and the address deleted ...
7
votes
2answers
230 views

Why would we ever need 10k new addresses in average per day?

Generally speaking, the address space of Bitcoin seems to be sufficiently large to make it unlikely that a hash collision will ever occur (see below). Pacerier stated in a comment on Is it possible to ...
3
votes
1answer
61 views

Delete all wallet addresses

How can I delete all addresses from my Qt wallet without having to download the blockchain all over again from the scratch? I would like to find a bulk way to do it as there are a few thousand ...
0
votes
2answers
81 views

Bitcoin URGENTLY Need Blocks Files - Download them from some Website [duplicate]

I have been doing this synchronization procedure (first time) in bitcoin-qt for over 85 hours and it only came to 31 Weeks Behind. Withdrawed from localbitcoins like 95 hours ago and obviously this ...
0
votes
2answers
39 views

How Do Addresses Function? [duplicate]

I understand that an address is needed to send Bitcoins to other people, but I do not understand why you are recommended to generate a new address for each transaction. Also, I have read that an ...
0
votes
0answers
48 views

Address generation of all cryptocoins

Bitcoin-ruby generates bitcoin addresses for bitcoin link. We are developing a UI which supports some more coins. How can we support generation of address for othercoins too(Ex. Dogecoin, Litecoin, ...
3
votes
1answer
53 views

Is there any way to send an output to a script which can then only be sent to one of two addresses?

Is the following scenario possible? I want to send money to a script. This script will require knowing a private key to spend, as usual, but the script is only valid if the money is being sent to one ...
1
vote
0answers
49 views

Adding watch-only addresses to Blockchain.info through an API?

I want to set up a service to monitor the activity of various watch-only addresses. I know Blockchain.info offers an option to do URL callback notifications when a payment is made to an address in ...
5
votes
1answer
197 views

Coin address generation for all coins

We are developing UI for coin trading. We have a plan to use all the coins present in coinmarketcap. I am greatly confused how to generate coin address for all coins. I knew that from cryptsy.com, it ...
0
votes
1answer
46 views

Which crypto currencies have shortest payment address?

Different crypto-currencies have different lengths of payment addresses. For example, LTC address length is 34 case sensitive letters and numbers. NXT address length is 20 digits. Short payment ...
3
votes
1answer
51 views

How does one claim ownership of an NXT address?

Apparently, NTX uses very short addresses and a very small alphabet. There is a system designed to claim ownership of a given address, but I couldn't find much information on it. How is it handled in ...
3
votes
2answers
424 views

What if a transaction is made to a wallet that doesn't exist?

Wallets can be created offline, and transactions can be made to that completely offline wallet through by obtaining that wallet address. Now, when the guy owning the offline wallet goes online, his ...
2
votes
1answer
67 views

Why can addresses be shorter than 34 bytes?

The wiki entry on Address says: Some Bitcoin addresses can be shorter than 34 characters (as few as 27 in theory) and still be valid. [...] These shorter addresses are valid simply because they ...
3
votes
2answers
300 views

How does ScriptPubKey know the public key of an Bitcoin address?

I am currently having a blonde moment. The ScriptPubKey provides a hashed version of the receivers public key. scriptPubKey OP_DUP OP_HASH160 OP_EQUALVERIFY OP_CHECKSIG However, if I give ...