Carl Sagan on Clubhouse

Bio

Crescent network dev
- tendermint team korea( emeris, GDEX)
- infraSec
- backend dev/blockchain dev

bharvest
- ciso

cyberone
- Security Penetration Tester / Security consulting /




blockchain devops
- Cosmos GOS never jail group
- Cosmos GOZ Liveness winners
- Contribution to the polkadot monitoring(prometheus) system
- 2019 hackatom NONCE A Team (NO.1 st)
- 2020 secret-network(cosmwasm) hackton standing statue (NO.2 st)
- 2020 terra-network hackton standing statue(cosmwasm) (NO.2 st)
- KOREA Hanwha Dreamin Hackathon Mentor (No.1 st)
- Chain Nodes Operation(COSMOS, IRIS, KAVA, TERRA, SECRET, BAND, INJECTIVE, POLKADOT, ChainLINK etc..)
- ZK rollup go-lang Implement
- COSMOS HUB AMM Participation in implementation
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Security penetration test
- Hunting for vulnerabilities of various Korean financial companies
- Web/App/Internal Infrastructure Vulnerabilities
- Based on OWASP and Korea's representative vulnerability checklist
- "Red Team" in the Air Force
- Airforce hackingdefense competitions, WhiteHatContest , HDCON, CODE GATE, DEF CON Participation ("Cryon")
participatory project( ISMS, Electronic Financial Law, Security sincerity) - WEB/MOBILE/CS
- T-monet penetration test
- YES24 penetration test
- Hyundai Capital/Commercial/Card penetration test
- Interpark penetration test
- DBlife(Dongbu Group) penetration test
- SBI Savings bank penetration test - PL
- eugen Investment securities bank penetration test (WTS/HTS/MTS)
- Korea Credit Guarantee Fund penetration test
- MetLife penetration test - PL
- BNK Savings bank penetration test
- Hanacard penetration test - PM