– Old blockchain info wallet password lost

I have a very very long time not used my blockchain info account (it is from before blockchain info has new version) and I forgot my password + my second password, but I find this saved data from my wallet on my stick. The data looks like: { “guid”: “8d07f7c2-b947-4b3d-80a7-3138dcf3fa80”, “sharedKey”: “eb8bab6b-f00a-4861-83b3-24d7b2938a74”, “double_encryption”: true, “dpasswordhash”: […]

testnet – Building Signed Bitcoin Transaction in Java

Quickly decoding the tx: VERSION 01000000 TX_IN COUNT hex=01, decimal=1 TX_IN[0] TX_IN[0] OutPoint hash 22F389655A7916085318876070450A0BFCB0B5B762CCBC3B3F71CF70328368E4 TX_IN[0] OutPoint index hex=00000000, reversed=00000000, decimal=0 TX_IN[0] Script Length hex=8A, decimal=138 TX_IN[0] Script Sig 473044022051646B77924F6BB7C411C5AA890110AB55DB8812B8998FE24C8BDCE39795EBD602200BC4DE18FD5524AD8B946EE57604424E2B943EF2A14FC7199A7853DDA0743CBE014104B97C679207532E0F4EE2515AEDABA5F87700BBE0138F7457BAA58E89A53153823AB29632E6C3C804ECAAB5913656512339792479A1B898B7E5DC31F075FF8660 47: OP_DATA_0x47: push hex 47 (decimal 71) bytes as data 30: OP_SEQUENCE_0x30: type tag indicating SEQUENCE, begin sigscript 44: OP_LENGTH_0x44: length of R + S […]

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 […]