I am using electrum protocol to query history of a Bitcoin address using blockchain.address.get_history. All is good I am receiving the tx data for every transaction. My problem is that I unable to figure out […]

I just may have been scammed via a phishing link. The transaction is verified but not confirmed, I’m new to bitcoins, as you can probably tell. From the quick bit of research I’ve done there […]

Now and than I seem to get a consistent false error notification. Error message: Request error: array ( ‘code’ => -4, ‘message’ => ‘Error: The transaction was rejected! This might happen if some of the […]

I am a French student in a Business School and currently working on a Bitcoin study. I have 2 questions to you: Are there means, for companies or states, to limit or at least to […]

If I have the Bitcoin address, the private key and a transaction ID from Bitcoin (regtest mode) in shell variables, what Python code do I need to run to claim the Bitcoins are indeed intended […]

I need some info/help. I have sent some Bitcoins to my Blockchain wallet. They have all be confirmed and done with. But it has been 2 days now and nothing has shown on my wallet. […]

Given a Bitcoin address or a record of a transaction between two Bitcoin addresses and a website like blockr.io to explore it, is it possible to identify what online wallet service a Bitcoin address belongs […]

Is there a way to request the date of last transaction via API? I run a request to see balance of my addresses and need to request the date of the last transaction, how would […]

I have a Raspberry Pi with 925 MB of memory. Bitcoin Core, operating as a full node, uses between 600-900 MB. How can I reduce bitcoind‘s memory usage? I tried setting maxmempool to its minimum […]

Currently I’m reading a great book Mastering Bitcoin and the author on his first articles suggests to the reader build from the source Bitcoin Core environment and down load the whole blockchain ledger (about 60Gb) […]