Jump to: , List of Bitcoin-related software.Be sure to keep on top of the latest security vulnerabilities!Contents 1 2 3 C 4 A bitcoin wallet is a software program, which allows the user to easily manage their bitcoin transactions.It does so, by checking for balances for the users addresses and securing the corresponding private keys.Usual functionality for a wallet include receiving and sending bitcoins from the device running the wallet, a view of the transaction history, an address book and the import of additional wallets or private keys.The most important distinction can be made between thin and full wallets.A thin wallet fetches information about the users transactions either from a trusted server, or from the bitcoin network directly.The device running the thin wallet doesn't have to keep a copy of the whole transaction history of the whole bitcoin network, which is called The Blockchain.A full wallet looks up the users transaction history on a locally stored copy of the the blockchain and thus has to save it and synchronize it constantly.

Because the blockchain is of significant size, tens of Gigabytes so far, this can be challenging for users.It is therefore for most users recommended to use thin wallets.There is also a third kind of wallet to be mentioned, which can be called a third-party wallet.These wallets only connect the user to a third-party, usually a bitcoin company, which manages the addresses and keys of the user for him or her.The device of the user therefore doesn't actually run a wallet, but more of a connection program to the wallet which is actually running on the companies servers.Some third-party wallet providers allow transactions between users who both use the same wallet company, to have instantly confirmed transactions, sending bitcoins not to cumbersome addresses but e-mail-address-, and social network handles.This can make them more convenient for the user, but they also come with risk.Because the company holds the keys, its owners can simply run off with the users bitcoins, they can be pressured by governments to give agencies information about their users and so on.

Third-party wallets should therefore be viewed more as a bank which happens to do bitcoin transactions, rather than a bitcoin wallet.ethereum india walletsee also Bitcoin Payment Appsbitcoin cold storage walletHome Error 404 The page you requested is not available.litecoin asic release dateIf you have come to this page, you may be viewing old content or be using an old version of Sierra Chart.bitcoin assignmentGo back to the prior page and refresh it.bitcoin technology in pptOr install the latest version of Sierra Chart.litecoin what is my wallet address

If you continue to come to this page, contact support by filling out an Account Support Ticket.Let support know what page you are trying to view and what page you came from.*Last modified Wednesday, 19th October, 2016.Price Widget API Bitcoin.de - API Die Bitcoin.de API ermöglicht Ihnen den Zugriff auf die Übersicht der erfolgreich abgeschlossenen Trades (Tradehistory), der aktuellen Kauf- und Verkaufsangebote (Orderbook) und den aktuellen Bitcoin.de-Kurs (Rate).Die API ist als JSON Webservice angelegt, bei dem alle Ressourcen über eine zentrale URL angesprochen werden.Die API ist ausschließlich über HTTPS und somit verschlüsselt erreichbar.Der Zugriff auf die API ist auf max.2 Abfragen je 60 Sekunden beschränkt.Tradehistory und Orderbook werden alle 60 Sekunden aktualisiert.API-Key Für den Aufruf der API wird ein API-Key benötigt, der mit Ihrem Bitcoin.de Account verknüpft ist.Jeder Bitcoin.de-User kann für die API freigeschaltet werden.

Es müssen keine separaten Accounts für die API eingerichtet werden.Tradehistory Abfrage erfolgreich abgeschlossener Trades.Wenn kein Parameter gesetzt wird, werden erfolgreich abgeschlossenen Trades zurückgeliefert.https://bitcoinapi.de/v1/YOUR_API_KEY/trades.json Über den Parameter “since” können inkrementelle Daten ab einer bestimmten ID abgefragt werden.https://bitcoinapi.de/v1/YOUR_API_KEY/trades.json?since=123 Rückgabewerte: Datum (Unixtimestamp) Preis pro Bitcoin (Euro) Anzahl BTC Eindeutige ID Orderbook Abfrage aller Kauf- und Verkaufsangebote (bids und asks).https://bitcoinapi.de/v1/YOUR_API_KEY/orderbook.json Rückgabewerte: Typ (bids/asks) Preis pro Bitcoin (Euro) Anzahl BTC Rate Abfrage des gewichteten Durchschnittskurses der letzten 3 Stunden und der letzten 12 Stunden.https://bitcoinapi.de/v1/YOUR_API_KEY/rate.json Der Wert “rate_weighted” gibt in der Regel den gewichtete Durchschnittskurs der letzten 3 Stunden an.

Wird eine kritische Masse an Trades in den letzten 3 Stunden unterschritten, dann wird hier der 12 Stunden Durchschnitt zurückgegeben.Rückgabewerte: rate_weighted rate_weighted_3h rate_weighted_12h Wählen Sie zwischen zwei Ansichten: Mobile Version Desktop Version Sie können die Ansicht später jederzeit über das entsprechende Symbol am Ende der Webseite wechseln.Request Limits: To bypass the request limiter, please request an API key.REQUEST API KEY Receive Payments View Documentation Blockchain Wallet Service View Documentation Blockchain Data API View Documentation Simple Query API View Documentation Websockets View Documentation Exchange Rates View Documentation Charts and Statistics View DocumentationCockbox, my VPS provider, uses the thin wallet Electrum for Bitcoin payment processing.After 7 months of experience, I think I've found out what does and doesn't work for stable, secure bitcoin payments using PHP and Electrum's JSONRPC interface.

The Setup Electrum can be installed with .The only configuration that needs to be done is to enable the JSONRPC interface, and a systemd service file (or sysvinit or whatever you use).In ~/.electrum/config of whatever user is accepting payments: And the service file, in : Enabling that with will make sure Electrum always starts on boot.Lesson #1: Ship your coins off-server Don't keep your bitcoins on the server you're accepting payments on, or reuse the same wallet on your personal computer (since that is just as bad).Instead, ship your coins to a dedicated receiving address that is part of a seperate wallet that you control.If you don't need access to these coins immediately, use a cold wallet.Lesson #2: Do not try to avoid user correlation Don't try to avoid people correlating users together or trying to map out your revenue stream.Unless you use a 3rd-party mixing service for every transaction, you are not going to be able to do it.

One idea I entertained when setting this up was to use a round-robin list of bitcoin addresses payments went to, but I quickly realized that this would only require someone to look one more address back to find the same information.Lesson #3: Do not rely on Electrum notify Cockbox first launched using Electrum's notify functionality to process payments.The premise sounds nice: Via JSONRPC you request that electrum make an HTTP callback for every bitcoin transaction, and again when that transaction is confirmed.That would be great if you could rely on the notifications coming through!Notifications are missed often enough for it to fuck up your processing completely.The Schema You need to keep track of payments somehow.This is going to be custom and tied into your application somehow, but here's what Cockbox's looks like: The custom fields here being , , and .is one of the timestamp fields in laravel, which Cockbox uses.Using JSONRPC I use this JSONRPC client, available as a composer package: Basic usage is detailed on that page.

Examples for the Electrum-specific stuff we're doing is below.I'm assuming you know how to handle the rest.The Flow Now we get into the meat of things.User wants to purchase something from you with BTC, and fills out a form or something You send an request via JSONRPC, which uses or creates a BTC address for you to use .User pays BTC to the address you give them A cronjob checks every minute the unspent transactions with For each unspent, find out if the btc_tx is already saved in the table detailed above If not, and height > 0 (meaning there is at least 1 confirmation), find the pending purchase, or in this case the user's service associated with the address If the BTC amount is >= what is due, complete the payment and do any processing you need to do before #7 if the payment is confirmed Save the payment into your payments table so it isn't processed again.If you don't need to do anything custom with your payment table (like expiry in my case) then you can do this Every day (or however often you want to get paid), run and check if there is a balance If so, your payment address with set to .