Please read our Frequently Asked Questions (FAQ) : btc

This FAQ thread serves to inform both new and existing users about common Bitcoin issues, complaints, and comments that readers coming to this Bitcoin subreddit may have. This is a living and breathing document, which will change over time. If you have suggestions on how to change it, please comment below or message the mods. […]

bitcoind – json_rpc_call failed – Bitcoin Stack Exchange

I have a little problem with the launch of the software: My blockchain is fully loaded and JSON-RPC also works, since I use it in a PHP script whose code is: <a href=”?api=getblockcount”>getblockcount</a> | <a href=”?api=getdifficulty”>getdifficulty</a> | <?php require_once ‘jsonRPCClient.php’; $bitcoin = new jsonRPCClient(‘http://user:[email protected]:8332/’); switch ($_GET[‘api’]) { case ‘getblockcount’: echo “<pre>n”; $homepage = file_get_contents(‘’); […]

How to create offer using JSON RPC in Ripple

I asked this questions sometimes in November 2016, then I was a newbie to ripple and ripple gateway. So I choose to answer this question for the purpose of those who may like face this same challenge in the future if you are creating offers between two none native currencies this is a good sample […]

micropayments – Wallets that support payment channels?

There are two major issues when it comes to the adoption of payment channels in Bitcoin. Firstly, we have an interoperability issue, where the implementation of payment channels in one wallet may not necessarily be compatible with the implementation of payment channels in another wallet. Even if interoperability is resolved, there is still an issue […]

blockchain – Can*t call chainActive.Tip()->nHeight in core.cpp

I want to call chainActive.Tip()->nHeight in core.cpp. It is not possible, I am interested in every idea. Here is an example : bool GetH() { int nBlockHeight = chainActive.Tip()->nHeight; if(nBlockHeight < FORKX17_Main_Net ) return true; else return false; } } uint256 CBlockHeader::GetHash() const { if (GetH()) { return HashX11(BEGIN(nVersion), END(nNonce)); } else { return […]

website integration – How does a request link work?

It is the same link protocol as http: or ftp: or mailto: or tel: or magnet:, although very less recognised. Official Bitcoin github MediaWiki Link offer its registered users to associate itself(site) to bitcoin: protocol, when user is signed in, and thus he clicks a link with bitcoin protocol, will automatically fill in […]