Programming: PHP image captcha code

Here I would like to present my small but nice capture code solution, which I programmed some time ago. I was tired, also with regard to the german DSGVO (privacy laws), to include capture solutions of external providers. In addition, various privacy browsers block e.g. also javascripts, so that an external image capture module for … Continue reading "Programming: PHP image captcha code"

Experiment: Hacking Ethereum Wallets - Bruteforce

Some time ago I came across a YouTube video by chance with the title: "Eth Wallet Bruteforce Hack". A programmer showed a simple Python script which could generate a random private key (64 characters / 32 bytes / 256 bits). This was used to calculate the public-key and address and pass it to a blockchain … Continue reading "Experiment: Hacking Ethereum Wallets - Bruteforce"

Telegram Messenger and the Bot API - Part 2

In the first part - Telegram Messenger and the Bot API - I explained some basics how to set up a telegram bot and how to use it to send messages, states, informations and more to your . Since this tool has proven to be very practical, I decided to take up the previous article … Continue reading "Telegram Messenger and the Bot API - Part 2"

Telegram Messenger and the Bot API

Telegram is basically a messenger similar to Whatsapp or Threema , free and easy to use. I don't want to say that it is better or worse than other messengers, but I like the Telegram Bot API so much that I want to write a little tutorial here. Table of contents:Using Telegram Messenger and the … Continue reading "Telegram Messenger and the Bot API"

self-construction - DynDNS-Alternative

If you already have your own webserver/webspace on the Internet and some programming knowledge, you can save yourself a service like DynDNS.org & Co. without much effort if you want to access parts of your home network from the road. Such services provide a host name/URL (e.g. my-home-network.dyndns.org) which is then forwarded to the IP … Continue reading "self-construction - DynDNS-Alternative"