Send BTC from offline wallet
Learn how to send Bitcoin from an offline (air-gapped) wallet using Coinb.in: create an unsigned TX online, sign offline, verify, then broadcast securely.
Harry talks about XYZ
Hi there! This is my blog where I share my thoughts on Information Technology and other XYZ topics. I'd love to hear from you, so please leave a comment or say hello.
Creating a secure offline BTC wallet
Learn how to generate an offline Bitcoin wallet in an offline Windows VM, split your private key into 2-of-3 parts, and store backups safely in cloud drives.
Deploy high-availability Stalwart for production
Deploy a free, HAStalwart mail server cluster. A step-by-step guide using Oracle Cloud, Upstash, and CockroachDB for redundant self-hosted email.
Discover Finland - The pure beauty of northern Europe
Explore Finland, the happiest country in the world, from vibrant Helsinki and magical Lapland to serene Lake Saimaa, complete with essential travel tips.
Cloudflare Tunnel as an alternative to Kubernetes ingress
Learn how to securely expose Kubernetes resources without traditional Ingress by using Cloudflare Tunnel for easy setup, cost savings, and enhanced protection.