Is it possible using bitcoind JSON-RPC API to receive funds from someone and send it immediately to another third-party address? I do not want to wait for 1 confirmation. getbalance with minconf=0 shows I have […]

Running Bitcoin 0.11 on Raspberry Pi 2 (Quad core 900MHz 1GB RAM, 128GB Flash Drive for blockchain, 8GB SD Card for OS and software). Blockchain is fully synced, 13 connections. In htop, I see I’m […]

The open source FPGA miner with source available at https://github.com/progranism/Open-Source-FPGA-Bitcoin-Miner does not support stratum, so in order to test it, I need an http pool. Are there any left?

I have read a similar post which had no answer at this location. I am trying to use Bitcoin-cli from a host that different from the host that runs bitcoind. I also would be happy […]

Been racking the brain forever, ubuntu noob, but wiped W7 for Ubuntu, updated and upgraded, checked out bfgminer and cgminer, both when running good .bat file with good pool, but they say no device? Adding […]

When run in daemon mode, bitcoind accepts a parameter -walletnotify=<cmd> which runs <cmd> whenever a wallet transaction changes due to sending/receiving. Is there a similar feature in Electrum? If not, how can it be simulated? […]

weird thing happened to me. I kept backup in cloud under Dropbox/bitcoinz. I can see many mbhd-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.zip.aes files, I also have wallet words but when I try to restore old wallet after fresh install on […]

I use the Blockchain.info receive payments API. It’s all working nice and good, but now I have a payment that doesn’t reach my adress. It is unconfirmed for almost 24 hours. Also, the payment doesn’t […]

I am running Bitcoin-qt on my server. I use .Net library to query it through windows services. It all works when I start bitcoin-qt manually. But if the server is restarted, I see that it […]

I am a beginner and just starting to explore the possibilities of Bitcoins. So I would be very grateful if somebody could help me with this question. Is there a risk that my Bitcoins are […]