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stephen tse 💙 s.one 🌉 stse.eth Profile picture
stephen tse 💙 s.one 🌉 stse.eth
@stse
@harmonyprotocol founder, compiler phd, apple/google maps. radical social change & open development? funding $300m grants on web3 via dao & zkproofs. bayc #9080
cryptophys Profile picture John Doe Profile picture 2 subscribed
Jun 26, 2022 • 8 tweets • 1 min read
1/ An incident response update on the Horizon bridge hack 🧵

Confidentiality is key to maintain integrity as part of this ongoing investigation. The omission of specific details is to protect sensitive data in the interest of our community. 2/ Incident response has found no evidence of smart contract code breach. No evidence of any vulnerability on the Horizon platform was found. Our consensus layer of the Harmony blockchain remains secure.
Jun 25, 2022 • 4 tweets • 1 min read
1/ On Thursday June 23rd, the Horizon bridge was exploited by one or more individuals, draining the bridge of approximately $100MM worth of Ethereum tokens.

Our investigation team is working 24x7 to assist with identifying the culprits responsible, and the methods they used. 2/ We are also working alongside the FBI and several cybersecurity firms.

Our engineers are narrowing down the attack vectors since the start of our investigation. We have also implemented enhanced security measures and suspended our Horizon bridge.
May 18, 2021 • 5 tweets • 7 min read
a comparison on bridges & layer 2

i picked @harmonyprotocol @zksync @deversifi @optimismPBC @0xPolygon to cover a full spectrum of security vs features

virtual machines, trust model, finality on ethereum, bridge fee, economics security, ecosystem

see many citations/links below Image via detailed analysis by @loi_luu on optimal/expected/fixed gas costs, hard/soft finality, zkproof generation time, maximum throughput

we need more standard benchmarks, terminology and citations!

Oct 3, 2019 • 23 tweets • 9 min read
1/ my keynote at wanxiang shanghai conference on scaling privacy, secure staking and radical fairness.

harmony’s year-long journey into transcending the blockchain trilemma & bringing the best research results into production.

video & full transcript at harmony.one/keynote 2/ achieving the blockchain trilemma is not an impossibility but engineering. here's our quadrilemma: privacy.

an important problem for our generation to solve in the coming decades: to understand what privacy means in terms of human rights, product design and digital economy.