Questions on: bitcoinj

I am using BitCoinJ for my java application which fetches the test network's genesis block. I referred to the basics mentioned at JavaWorld and BitCoins Google Code wiki. I am able to get it running but there seems to be an error while waiting for th
Learn how to use the wallet class and craft custom transactions with it. IntroductionThe Wallet class is one of the most important classes in bitcoinj. It stores keys and the transactions that assign value to/from those keys
It looks like you're trying to get a key from a seed, rather than deriving a key using a path. This uses the default derivation settings, which attempt to derive a hardened key, which can't be done using an extended public key. Try an explicit, non-h
A short presentation on how to get started writing Bitcoin applications with the Bitcoinj Java library. I've talked about this at the last DevHouseFriday in Cologne. Find coding examples here: Basic usage: https://github
I am creating a wallet app using the bitcoinj library. I have a use-case where I need to send bitcoins to multiple recipients in one transaction. Currently, I am creating multiple send requests for each address but only first send request is successf
Once you've sent a bitcoin payment from CoinJar to an external bitcoin address, that transfer's details (amount sent, sending/receiving bitcoin address, as well as the date of transfer) can be found on the blockchain. This information is then publicl
What is Heat?Scientists are known to have worked for a long time to find an answer to this question. They decided at last that the manifestation of heat was caused by a weightless substance or fluid called "caloric” which flowed from a hot body to a
hexafraction:You can't make an OP_RETURN-based output out to any specific address, since the OP_RETURN opcode marks an output as invalid (thus provably unspendable). In fact, an OP_RETURN-based output will not even enter the UTXO. However, you can cr
BIP37 does not include Bitcoin addresses in the filter matching system, instead for every transaction in the block a given filter is matched with the TXID, every output script, every input script, and every data element in the input script. If any el
Honestly, I'm not sure why that would be the case. Could you perhaps share (either here, or you can message me directly if you prefer) the transaction hash, or id that is returned to you? I'm going to answer the specific question in the title while I