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Daniel Que
Daniel Que

217 Followers

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Mar 3, 2020

DeFi: Dependency Hell Meets Finance

Imagine npm bugs for your money. In a sense, that’s what we’re creating with DeFi. Financial engineering relies heavily on composability, and so does DeFi. This results in an interconnected, intertwined web of primitives. Imagine a SetProtocol Set (a smart contract). It could contain Compound cDAI (another smart contract). cDAI…

Defi

5 min read

DeFi: Dependency Hell Meets Finance
DeFi: Dependency Hell Meets Finance
Defi

5 min read


Published in

CryptoFin

·Aug 13, 2018

Improving the Ethereum Developer Ecosystem with Libraries

The Ethereum development ecosystem is lacking many tools which we take for granted in other programming environments. That’s why we’ve been working on our cryptofin-solidity library. A good library lets developers write less code which reduces bugs and saves development time. …

Ethereum

3 min read

Improving the Ethereum Developer Ecosystem with Libraries
Improving the Ethereum Developer Ecosystem with Libraries
Ethereum

3 min read


Jun 19, 2018

CryptoFin’s Solidity Auditing Checklist

In the last year, hundreds of millions of dollars worth of crypto have been lost by faulty smart contracts. Beyond devastating those who lose funds, these blunders harm the ecosystem as a whole by signaling the immaturity of smart contracts and reinforcing people’s wariness. …

Ethereum

1 min read

Ethereum

1 min read


Apr 25, 2018

EIP-999 sensationalism and the law of triviality

The contentious and sensational EIP-999 has been getting a flurry of media attention. EIP-999 outlines a proposal for a hard fork to recover the $330 million USD of Ether lost in the infamous Parity hack. The likelihood of this proposal being approved by the Ethereum foundation and community appears very…

Ethereum

1 min read

Ethereum

1 min read


Apr 17, 2018

PSA: How to fix GitHub’s syntax highlighting for Solidity

GitHub doesn’t support detecting .sol files as Solidity for syntax highlighting, and the current best solution is simple but not well known. Problem GitHub uses linguist to enable language-related features. According to linguist’s maintainers, the .sol file extension is too generic to assign to Solidity. Solution Add a .gitattributes file to your…

Ethereum

1 min read

Ethereum

1 min read


Mar 28, 2018

What we learned from auditing the top 20 ERC20 token contracts

We recently reviewed the top 20 ERC20 token contracts as part of our process for launching Bskt. Bskt is a way to create decentralized token portfolios. A holder can use a single token to hold a number of Ethereum tokens, much like an ETF. …

Ethereum

5 min read

Ethereum

5 min read


Published in

CryptoFin

·Mar 26, 2018

Announcing Bskt, a smart contract for creating decentralized token portfolios

CryptoFin is releasing Bskt, an Ethereum smart contract that lets you compose any number of different Ethereum (ERC20) tokens into a single Ethereum token. Our whitepaper provides full details and you can create your own bskt using our source code. As interest in cryptocurrencies has grown, thousand of tokens have…

Blockchain

2 min read

Announcing Bskt, a smart contract for creating decentralized token portfolios
Announcing Bskt, a smart contract for creating decentralized token portfolios
Blockchain

2 min read


Mar 14, 2018

Putting your crypto to work: how to earn passive income

When people think about crypto investments, most think to the stellar increase in value of crypto assets. Not everyone is aware that like most forms of wealth, it’s possible to earn compoundable passive income from crypto. In the current bull market these dividends may appear negligible compared to value gained…

Blockchain

4 min read

Blockchain

4 min read


Mar 13, 2018

Why Ethereum addresses have some capitalized letters

Ever wondered why Ethereum addresses have some capitalized letters? It’s a checksum, meant to provide some validation that it’s a valid Ethereum address. Other crypto projects like Bitcoin employ a a checksum as additional bytes in the address, which has been vital for preventing funds from being accidentally locked forever…

Blockchain

1 min read

Blockchain

1 min read


Mar 8, 2018

BNB token’s perplexing freeze functionality

When reading through BNB’s source code, I came across an interesting finding. I can only speculate about it, and am hoping the community can help figure it out. Binance implements freeze and unfreeze methods on its BNB token contract. Now, it’s not what you may think it is — it…

Ethereum

2 min read

BNB token’s perplexing freeze functionality
BNB token’s perplexing freeze functionality
Ethereum

2 min read

Daniel Que

Daniel Que

217 Followers

Engineer @ Coinbase. Previously Co-Founder of CryptoFin (aq by Coinbase), Engineer @ Uber.

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