I made a transaction, realized the fee wasn’t high enough, so I restarted Bitcoin-QT (MacOS) with -zapwallettxes, and removed the transaction. Then restarted with -rescan, (been almost 24h since scan finished) but the funds are […]

I understand that in a hardfork (e.g. the actual Bitcoin vs. Bitcoin Cash/Gold) the blockchains would diverge because the miners and clients have different rules to accept a valid block. It makes sense to me […]

I am trying to solo-mine CANN using my Antminer D3 directly to the full node wallet. I would really like to start adding decentralization to small coins just for the heck of it, but I […]

After dipping my toes in the water with Bitcoin, turning £ into BTC, I immediately noticed around a 10% loss through transaction fees. This seems high firstly. Is this normal? Secondly, with the rate of […]

My problem is that I can not do any transactions at all because of an error. BitcoindException(super=com.neemre.btcdcli4j.core.BitcoindException: Error #-26: 66: mempool min fee not met, code=-26). I set the standard (not customized) transaction fee to […]

I’ve come across some datasets that include every trade made but I’m just looking for the price of Bitcoin at a high frequency. Every minute would be ideal.

I’m generating multiple children using one extended key. I have no problem generating public addresses: $master = HierarchicalKeyFactory::fromExtended(myKey); $key = $master->deriveChild(1); $publicAddress = $key->getPublicKey()->getAddress()->getAddress(); In order to sign a transaction, I need the public address’ […]

Looking for a good Segwit supporting testnet faucet and preferably one that supports P2WPKH addresses, however answers that allow only P2WSH are fine too.

When I want to send BTC in block chain this message is appearing: BitcoindException(super=com.neemre.btcdcli4j.core.BitcoindException: Error #-26: 66: mempool min fee not met, code=-26). Who knows how to resolve this? Can anybody help me please?

Is there anything inherently insecure about using a dedicated Android phone as a "hardware wallet"? A dedicated phone implies: a clean ROM without gapps, e.g. GrapheneOS, Lineage OS without root, etc full phone encryption enabled […]