time locked address where the funds are unspendable until a set date and time has passed. Development, use what we've built to write your own projects! Address (Share public key (Share) Private key (WIF key). So, in this post, Im going to tell you a simple way to try to solve that problem! About open source bitcoin wallet Version.4 Compatible with bitcoin core Github m/OutCast3k/coinbin/ TOR 4zpinp6gdkjfplhk. Paid options are usually offered by parties with accessibility to mining pool, so what they do is, they manually put your txid in front of others, regardless of your transaction fees. (Some wallet doesnt let you spend unconfirmed transaction by default).