Selected work

Work

Systems, network tools, and independent services I have built or operated.

Systems / Open source / Community

01 / 03

Systems & Services

01 photon.one Web service

Security-focused ephemeral photo sharing, launched in November 2022.

120k peak MAU
Independent
02 packet Network observability

Latency history and route tracing from distributed edge hosts.

Edge monitoring
Private Private
03 multirdp Desktop operator tool

Opens and synchronizes control across multiple RDP sessions.

Rust + Tauri
Private Private
04 damn.it.com Service directory

A directory of services I host and maintain.

Self-hosted
Independent 05 cache.box CDN field guide

An independent CDN guide covering pricing, delivery policies, and Seoul PoP availability.

CDN research
Open source

02 / 03

Open Source

06 hping.rs Network tooling

UDP and TCP traffic-generation workflows implemented in Rust.

Rust
Open source 07 rmap Network scanner

Origin-host discovery for authorized CDN exposure assessments.

Network security
Open source 08 brt Security research

Evaluates the recoverability of hashed ONS nicknames.

ONS research
Open source 09 mcfind Game utility

Reads Minecraft world data to locate dropped items.

World data
Open source

Security utilities are intended for research and authorized testing.

03 / 03

Community

10 newjeans.network Community archive

Fan-run image archive spanning five member-specific domains. haerin · minji · hyein · hanni · danielle

10k peak MAU
Network total 11 triples.love Fan project directory

A curated directory of fan-made tripleS and COSMO projects.

Korean / English
Independent 12 bus.osm.kr Mapping utility

Helps the OpenStreetMap Korea community maintain bus data.

OpenStreetMap
Community 13 pdao.wiki Knowledge base

Community wiki explaining blockchain concepts without ads.

Blockchain
Community