I’ve got a multisig 2of2 wallet in copay. I’ve one wallet correct but have lost second wallet and only have 11 of the 12 words of the seed.I’m pretty sure I miss the last one. […]

It is possible to install custom software (another than cgminer) on Antminer hardware? For example on antminer s5?

Is there any statement about the design of Bitcoin alluding to dealing with large pools controlling a good part of the network? while it is true that pools can compete and people can “vote” by […]

In a world of pain at the moment. I downloaded Bitcoin Core, and before I realised I’d need the complete downloaded Blockchain, my friend transferred some coins to my address. I did some research and […]

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? […]