BC CRYPTO
Saved by @Shubham51ngh

Out of curiosity I dug into how NFT's actually reference the media you're "buying" and my eyebrows are now orbiting the moon

 Short version:

The NFT token you bought either points to a URL on the internet, or an IPFS hash. In most circumstances it references an IPFS gateway on the internet run by the startup you bought the NFT from.

Oh, and that URL is not the media. That URL is a JSON metadata file
Here's an example. This artwork is by Beeple and sold via Nifty:

https://t.co/TlJKH8kAew

The NFT token is for this JSON file hosted directly on Nifty's servers:

https://t.co/GQUaCnObvX
THAT file refers to the actual media you just "bought". Which in this case is hosted via a @cloudinary CDN, served by Nifty's servers again.

So if Nifty goes bust, your token is now worthless. It refers to nothing. This can't be changed.

"But you said some use IPFS!"
Let's look at the $65m Beeple, sold by Christies. Fancy.

https://t.co/1G9nCAdetk

That NFT token refers directly to an IPFS hash (https://t.co/QUdtdgtssH). We can take that IPFS hash and fetch the JSON metadata using a public gateway:

https://t.co/CoML7psBhF
So, well done for referring to IPFS - it references the specific file rather than a URL that might break!

...however the metadata links to "https://t.co/RzXLzsqegH"

This is an IPFS gateway run by https://t.co/yR25JR9mkk, the NFT-minting startup.

Who will go bust one day
You might say "Just refer to the IPFS hash in _both_ places!"

Well ...no. IPFS only serves files as long as a node in the IPFS network _intentionally_ keeps hosting it.

Which means when the startup who sold you the NFT goes bust, the files will probably vanish from IPFS too
In fact, this is already happening: https://t.co/UdUfMuyurw
In short: Right now NFT's are built on an absolute house of cards constructed by the people selling them.

It is likely that _every_ NFT sold so far will be broken within a decade.

Will that make them worthless? Hard to say
"NFT startups are long-game blackmailers" is an entertaining concept

https://t.co/Jtu2e1Q9Em
Eagerly awaiting the day when I can buy the bankrupt startup domains and start charging NFT owners to serve their files
"WELL ACTUALLY you just pin the file to your own IPFS node":

You absolutely can! But the metadata file generally points to a specific HTTP IPFS gateway URL - NOT the IPFS hash.

This means when the gateway operator goes bust I can buy the domain and start serving cat pictures
So @CheckMyNFT has been tracking NFTs created on Nifty, and apparently most of them are already broken 😬

https://t.co/7zvXpQNC2N
I can't believe I have to say this but: Not ALL NFTs

Yes I know there are plenty of NFTs that do not suffer from these problems. I was just covering the mainstream ones that have been hitting the news.

Next time I promise to inject the words "most" and "many" in every sentence
Honestly I'm not just making this up
https://t.co/S3nzWBKXqg
Apparently it isn't clear and some people are very angry, so:

This thread is specifically criticising the vendors currently selling fragile NFTs, not the concept of NFTs in general. Ok?

Ok.

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Options used to be close to irrelevant for bitcoin's price.

Until now.

At current price levels, hedging large option notionals has a major impact on price.

Here's a quick thread on options 👇

Let's start with the meaning of delta.

Delta is the rate of change of an option's price relative to a change in the price of its underlying.

For example, the price of a 50 delta option will move 50% as much as the underlying.

For practical purposes, think of it as how much of the underlying you have:

- if long 50 delta call on 1 BTC => long 0.5 BTC
- if long 50 delta put on 1 BTC => short 0.5 BTC
- if short 50 delta call on 1 BTC => short 0.5 BTC
- if short 50 delta put on 1 BTC => long 0.5 BTC

An option where the option's strike (i.e. exercise price) is equal to current spot price is known as an at-the-money option (ATM). ATM options have a delta of 50, while deep in the money options have a delta of close to 100.

Can also think of delta as probability. A 50 delta option has a 50% chance of expiring in the money.

For a call, the higher price goes => the more in the money the call => the higher the delta.

Once delta gets close to 100, odds are ~100% the option will expire in the money.
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\U0001f42e Mikko Ohtamaa
🐮 Mikko Ohtamaa...
@moo9000
1/ Welcome to #DeFi Wednesday.

Let's talk about how interest-bearing cash on a blockchain is going to revolutionise boring corporate treasury management that concerns every company is is a larger business than all crypto trading in the world.

Enter the thread

👇👇👇


2/ Blockchain community is often seen as toxic maxis and redditors who shill other their weekly favourite shitcoin in the hope of getting Lambo.

Sometimes we also do things that progress humanity towards the better future and interest-bearing cash is one of those things.


3/ Less chad and more things that actually matter:

My incomplete theory of interest-bearing cash is also available also as a blog post:

https://t.co/uiG0fZiVyu

It is 15 pages. Pick your slow poison or die fast by continue reading here.

4/ First time in the history we have an ability to create interest-bearing cash-like instruments.

Interest-bearing cash ticks up dollar (euro) balance real-time in your wallet.

Here is a demonstration using @aaveaave aDAI, based on @makerdao DAI, and @TrustWalletApp


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Dynamic Stochastic Equilibrium Model Expert
Dynamic Stochastic Equ...
@PeterDiekmeyer
Michael Pettis @michaelxpettis argues that it is not always obvious who (China or the U.S.) adjusts best to "turbulent changes."
Bitcoin answers that question.
Thread:


World economies currently suffer four major redistribution challenges:
The most important is increasing government stealth use of the monetary system to confiscate assets from productive actors.
/2

That process is exacerbated by "Cantillon Effect" transfers to interest groups close to government ("the entitled class," public sector workers, the medical industrial complex, academia, etc....), which is destroying much of that wealth /3

The shadow nature (see Keynes) of government inflation makes the process unidentifiable, un-addressable and undemocratic.
The biggest victims (America's poorly educated young) are unequipped to counter generational confiscation tactics of today's wily senior beneficiaries. /4

Government control of the numéraire in key economic statistics (GDP, inflation, etc...) makes it impossible for economic actors to measure progress and liabilities. /5
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Algostorm \u26a1 2/7/2021 6 pm EST ALGOWORLD USA
Algostorm ⚡ 2/7/2021 6...
@AW_USA
Unlike #ETH and #BTC $ Algo uses delegated proof of stake (DPOS) #AlgorandandFriends


Under the DPOS mechanism, the community will empower a number of users the delegates to choose the next block. This is a mechanism that is used by blockchains such as EOS etc. $Algo

There is a fixed number of delegates & these delegates can be viewed as having centralized control. In the adipose blockchain, the delegates may own a tiny fraction of the total money in the system. Yet, the whole blockchain is secure. $Algo

The Algorand consensus mechanism is called pure proof of stake. And it operates on this simple principle. It makes cheating by a minority of the money impossible and cheating by the majority stupid. $Algo

$Algo developed a mechanism so that those with small stakes cannot cheat, those that have a large stake in the network won’t cheat. It will completely devalue their holdings & make no economic sense. As long as 2/3 of the majority are honest, the protocol will work just fine. $
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Matti
Matti
@mattigags
0/ The Great Crypto Reversal

Key difference between the '17 and roaring 20s in crypto is that back then everyone was aping a16z and Naval.

Today everyone apes 3AC wanting to be the next Degen.

'17 was an idealistic *saving the world* kind of thing
20s is *me against the world*

1/ The financialization of crypto means more volatility but pretty long ascend to the top.

Multi-year bull and an ATH surprising even to the biggest bulls as the infinite Cantillon "wealth" is pumped into crypto

Crypto becomes the ultimate Cantillon insider circle-jerk.

2/ This will be one the most iconic ideological reversals in history, comparable to Google who was firmly against advertising but turned into the most powerful ad company ever.


3/ This scenario reminds me of the 90s privatization period in the post-socialist countries.

The regime transition allowed the communist party elite to benefit from the wild west form of "capitalism" that ensued, transferring (and multiplying) their wealth into the new regime.

4/ We are far from Satoshi's original vision . But words and intentions of *prophets* were used to manipulate and corrupt all throughout human history and this time it is no
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