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 […]

Have the newest (3.+) ver. of Electrum Wallet. I performed the sweep of the private address to acquire BTC from paper wallet . Wallet menu->Private Keys-> Sweep. Performed the operation, the screen showed me the […]

I’ve exported my private keys from Block.io. They’re compressed WIF keys (starting with L…). Additionally I’ve got the following data from Block.io: Address type: P2SH (obviously) Redeem script Redeem script hex Two public keys I’ve […]

I am pretty much a Bitcoin novice. Bought some a few years ago, they went into my Blockchain.info wallet and I only checked it again a few days ago. It says I can get the […]