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Roman Zeyde romanz

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Version: GnuPG v2
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mnemonic
libagent
ecdsa

Keybase proof

I hereby claim:

  • I am romanz on github.
  • I am romanz (https://keybase.io/romanz) on keybase.
  • I have a public key whose fingerprint is 15C8 C357 4AE4 F1E2 5F3F 35C5 87CA E5FA 4691 7CBB

To claim this, I am signing this object:

@romanz
romanz / seed2keys.py
Last active May 23, 2021 09:08
Creates public and private keys from Electrum 2.0 seed
#!/usr/bin/env python
''' Run from "electrum/lib" directory.
'''
import bitcoin, mnemonic
mn = raw_input("Enter mnemonic (13 words)").strip()
s = mnemonic.Mnemonic.mnemonic_to_seed(mn, '')
print 'seed:', repr(s)
xprv, xpub = bitcoin.bip32_root(s)
@romanz
romanz / fullnode.md
Last active March 20, 2024 19:05
Bitcoin Full Node on AWS Free Tier

Bitcoin Full Node on AWS Free Tier

Provisioning

  • Launch one T2 micro instance, using Ubuntu 14.04 LTS AMI.
  • Open SSH and Bitcoin Protocol TCP ports: 22, 8333.
  • Attach 40GB EBS (General-Purpose SSD) volume for blockchain storage to /dev/sdf.

The pricing should be ~3$ for the first year (assuming 30GB upload per month). See here for more details.

@romanz
romanz / mint-installed-software
Last active October 11, 2015 20:18
dpkg selections
abiword install
abiword-common install
abiword-plugin-grammar install
abiword-plugin-mathview install
accountsservice install
acl install
acpi-support install
acpid install
activity-log-manager-common install
add-apt-key install
@romanz
romanz / eyeD3.sh
Created September 9, 2012 18:01
id3 renaming
eyeD3 --rename="%A - %a - %n - %t" *.mp3
@romanz
romanz / ydl.sh
Created May 1, 2012 18:40
Youtube downloader usage
python youtube-dl -o '%(stitle)s_[%(id)s].%(ext)s' $@
@romanz
romanz / 2mp3.sh
Created April 28, 2012 14:59
Extract mp3
#!/bin/bash
for f in $*
do
ffmpeg -i ${f} -vn -ar 44100 -ac 2 -ab 128000 ${f%.*}.mp3
done