How CryptCard Prevents Hacking

Reports of cryptocurrency platforms getting hacked are becoming far too regular. This is surprising since blockchain-based digital currency and decentralized applications (dapps) are often considered safe and secure. As a result, more people are hesitant to jump into the Web3 bandwagon due to infamous acronym – FUD (Fear, Uncertainty, Doubt). Although Web3 technology isn’t perfect, […]

CryptCard Wins 2nd Place in Polkadot Hackathon – North America Edition

After barely a month into our operation, CryptCard won the second prize in the 2022 North American edition of the Polkadot hackathon, under the DeFi category. CryptCard’s submission was entitled “Acala aUSD Credit Card” and it won a prize of USD15,000 for its effort. The global online event lasted from May 30 to July 13 and […]

How to Move Your Ethereum Project to Other EVM

The notion that we are tolerating Ethereum’s exorbitant gas fees because this second most popular blockchain in the world is more decentralized is baseless. If so, why centralized projects like OpenSea, Binance, Coinbase,, etc still rule. As the world argues about whether the future is going to be centralized or decentralized or both, what […]

The Many Use Cases  of NFT— Current and Future

An updating topic focusing on NFT use cases as Web3 technology evolves. The blockchain and cryptocurrency sector (aka Web3) is perpetually evolving. We’re seeing new projects and dapps being released on a daily basis, let alone the various Web3 hackathons happening every quarter by blockchain networks. I reckon that’s one of the main reasons why […]

Similarities Between Central Bank and DeFi in Interest Rates, Quantitative Easing and Inflation

DeFi and traditional finance aren’t that different after all. It was during the 2008/9 Great Recession that marked the birth of cryptocurrency where Bitcoin raised from the ashes and eventually path the road to decentralized finance – what we call DeFi today. The famous Genesis Block in Bitcoin blockchain contains this very phrase – “The […]

Uncollateralization vs. Overcollateralization in DeFi – The Difference is Striking

Learn the different options of loans in the DeFi ecosystem It goes without saying that there are many types of loans by lending protocols in DeFi and the current dominant version is over-collateralized loans. However, uncollateralized lending is beginning to appear where lending protocols are offering loans without asking for collateral deposit from you. Now, […]


How to Use Dutch Auction on OpenSea – Ultimate Guide

Going Dutch doesn’t mean you have to be cheap with your NFT. Let’s understand what is a Dutch auction and how it could benefit you when selling your NFTs. OpenSea offers two types of timed auctions when selling your NFTs. Sell to highest bidder – Accept many bids and the highest bidder wins. Also called […]

Here’s Why OpenSea Uses WETH in Auctions And Not ETH

A simple example to feel the power of wrapped tokens. OpenSea’s support center actually doesn’t have this answered so we are taking the liberty to discuss it. First, Let’s Truly Understand Why We Need WETH Let’s not repeat what others have been echoing online what WETH is but lets try to fill in the blanks on […]

The Many Use Cases of Wrapped Tokens Like WBTC and WETH

Learn by example why wrapped tokens were invented. WBTC, WETH and many other wrapped tokens are intriguing, to say the least. If you have been reading about it online, you’d probably get the idea of what they are and why we need them.  Here’s a quick recap. “Wrapped tokens are used to bridge between different […]