May 14, 2026

What are the costs of cryptocurrency fraud?

I have heard many claims that transaction volumes can be “faked” for cryptocurrencies, but I am skeptical about how this is possible. I want someone to walk me through the math describing what you need […]

Read More

GDAX Java Limit Order (HTTP Post)

Trying to send HTTP Post request to GDAX with auth. The ‘GET’ requests work fine and I’m unsure if I am passing the json params correctly as I keep getting Bad Request. private static JsonObject […]

Read More

Walletnotify not working

Here’s my Bitcoin.conf: server=1 rpcallowip=127.0.0.1 rpcuser=userrunningbitcoind rpcpassword=passwordofuserrunningbitcoind rpcport=7788 walletnotify=/home/userrunningbitcoind/transaction.sh %s And here’s my transaction.sh, which I’ve tried running manually already. This works without issue on its own: #!/bin/sh curl -d “txid=$1” http://127.0.0.1/api/process-payment What else can […]

Read More