Cyber Intelligence
Dark web, blockchain, investigation workflows, and operational security tooling.
Founder · Engineer · Cybersecurity Builder
Building investigation infrastructure for the hidden layers of the internet.
I’m Souvik Haldar, founder of Hornet. I work across blockchain forensics, dark web intelligence, distributed systems, embedded systems, and Go based infrastructure.
Current Focus
Hornet
Blockchain and dark web investigation intelligence.
STPI Chunauti 5.0Winner and seed funding recipient
IIT KanpurExecutive cyber security diploma
RSA + TiEConInternational cybersecurity showcases
Work
Engineering depth with an operator’s lens.
Distributed Systems
Backend services, networking primitives, reliability, observability, and Go systems.
Embedded Curiosity
Long-running interest in PCBs, hardware/software boundaries, and practical tinkering.
Latest Notes
Writing archive
Elements of Bitcoin
Bitcoin is the cryptocurrency that set out a revolution in the world of finance as well as technology. It was created by someone named Satoshi …
BlockchainBasic Cryptographic Primitives in Blockchain
Cryptography is the foundation of blockchain. It is widely used throughout the blockchain domain. Hash functions are used to connect blocks in a …
BlockchainHow To Run Ethereum On An Old Laptop
A decentralized immutable append-only public ledger. By running a node that connects to the blockchain network, you become part of it and help …
NetworkingDistributed Hole Punching
The web of interconnected devices is called the internet. But this interconnection currently heavily depends on servers and hence internet has become …
ProgrammingSoftware Programming Design Patterns in Golang
Introduction Code can be written in any way till the time it works, but if you write them following certain time-tested design patterns, it can lessen …
BlockchainFoundations of Blockchain
Introduction Blockchain unlocks a whole new world of use-cases of Internet that we know but powers we still don’t. It is like a distributed …