rhyzom | Publish0x


Ad hoc heuristics for approaching complex systems and the "unknown unknowns". Techne & episteme. Verum ipsum factum. In the words of Archimedes: "Give me a lever and a place to rest it... or I shall kill a hostage every hour." Rants, share-worthy pieces and occasional insights and revelations.

Ethereum DeFi, Lending Protocols, Contracts' Security + Some Updates

3 days ago 1 minute read rhyzom

DeFi lending protocols seem to be picking up momentum as the total value locked in DeFi contracts surpassed $1bn recently couple of days ago. However, besides Maker (which forms pretty much the foundation other DeFi products build upon), most other d...

My assorted bookmarks at present. Some valuable resources for some of you, perhaps.

3 days ago 3 minute read rhyzom

Thought I'd post/share my freshly updated curated list of bookmarks. Imagine some of you may find things worthwhile - and maybe also add/contribute something relevant I may have been unaware of. Plus, just also good to have it here for myself / own u...

Proposal to switch the IOTA tangle from a balances-based model to an UTXO one.

3 days ago 1 minute read rhyzom

So, that's interesting. I admit I haven't had the opportunity to really keep up with the developments taking place on the IOTA front, but just recently discovered the research discussion forum at iota.cafe which is pretty cool. So, Hans Moog posted s...

The Black-Scholes Model: The Foundation of Modern Quantitative Finance and the Dawn of Financial Capital(ism)

3 days ago 4 minute read rhyzom

Quantitative or mathematical finance is applied mathematics which deals with modeling of financial markets and it's mostly focused in two areas - derivatives pricing and risk/portfolio management. It overlaps with the related domains of computational...

KeeperDAO: An On-chain Liquidator, Re-balancer and Arbitrage-seizing & High-frequency Trading DAO for the DeFi Ecosystem

1 week ago 2 minute read rhyzom

That's a really interesting concept I just came across in a Medium post by Taiyang Zhang (better known for his Ren project). Posted late December last year, so fairly recent. What he's proposing is a DeFi-oriented DAO where participants pool their ca...

Mythril: A Contract Code and Bytecode Vulnerability Scanner and Security Analysis Tool for Ethereum/EVM

2 weeks ago 1 minute read rhyzom

Mythril is a security analysis tool for smart contracts running on EVM-compatible blockchains (targeting the EVM one way or another). It was introduced at HITBSecConf 2018 and detects a range of known and documented security issues and vulnerabiliti...

Vyper compiler security audit and developing a new Rust-based compiler.

2 weeks ago 2 minute read rhyzom

Vyper is a very nice, clean and simple python-like language for writing contract logic on Ethereum, one that has been under active development for some time now and while usable, mature in many ways and increasingly popular it isn't yet considered to...

Liquidity Fundraising: An Alternative DeFi-based to the ICO/IEO Model

2 weeks ago 3 minute read rhyzom

David Iach has just recently proposed a rather interesting and, in my opinion, very sensible alternative to the ICO/IEO models for crowdfunding/fundraising in launching a project or a startup. ICOs have already demonstrated to be far from ideal a way...

De-anonymizing Ethereum address activity by targeting Geth nodes via Shodan. Note on security best practice recommendations.

2 weeks ago 1 minute read rhyzom

Security researcher Harry Denley just tweeted the following few days ago: Shodan is a search engine for Internet connected devices that is well known among security professional and penetration testers. Security swiss-army knife Linux distributions...

Tezos Emerging as the Go-To Protocol for Securities Tokenization and High-Value Financial Contracts

2 weeks ago 2 minute read rhyzom

On Jan. 27th 2020 Texas-based Vertalo officially announced a transition from Ethereum to Tezos citing a number of factors which have influenced the decision and which make Tezos more preferable for their purposes (among which transaction speed, netwo...