There are many different types of blockchains and it can be overwhelming to learn about without any guidance.  This will be a basic introduction into the major chains to help you have context when you dive deeper in.  The following data is from https://defillama.com/chains Main Chain Ecosystems: Top 12 - 3/25/22 TVL Billions TVL % mcap/TVL Wallet 1 Ethereum (ETH) $123.5 60.6% 3.0 EVM 2 Terra (LUNA) $26.4 12.9% 1.2 Cosmos 3 BSC (BNB) $12.6 6.2% 5.5 EVM 4 Avalanche (AVAX) $9.9 4.8% 2.3 EVM 5 Solana (SOL) $7.2 3.6% 4.4 Solana 6 Fantom (FTM) $6.4 3.1% 0.5 EVM 7 Tron (TRON) $4.3 2.1% 1.5 EVM 8 Polygon (MATIC) $4.0 2.0% 2.7 EVM 9 Cronos (CRO) $3.5 1.7% 3.3 Cosmos 10 Waves (WAVES) $3.0 1.5% 1.1 EVM 11 Osmosis (OSMO) $1.6 0.8% 1.7 Cosmos 12 Polkadot (DOT) $1.6 0.8% 15.2 Polkdot Total $203.9 Ethereum & Ethereum Virtual Machine (EVM) compatible chains The most popular and main original blockchain that enabled smart contracts is Ethereum.  As you can see from the data it, it sti...

The S&P 500 and the NASDAQ 100 are two of the most popular stock indexes.  Below are tables that show different ways of getting exposure to these stock indexes. S&P 500 Index Exposures: Product Price multiplier exposure SPY equivalent shares option contract exposure SPY equivalent option contract exposure SPY ETF 445 1 $445 1 $44,452 1 ES Futures 4,463 50 $223,156 502 $223,156 5 MES Futures 4,463 5 $22,316 50 $22,316 0.5 SPX Index 4,463 100 $446,312 1004 $446,312 10 XSP Index 446 100 $44,631 100 $44,631 1 1 SPX Index option has roughly the same exposure as 10 SPY ETF options From the above table, you can see that depending on how much exposure you want, you can pick from a variety of products.  For pure delta exposure, SPY ETF and ES Futures are the most liquid.  For options, SPX Index and SPY options have the most liquidity.  There are definitely other ETFs, like IVV, VOO, or SPLG with lower expense ratios, but suffer from options volume and have a wider bi...

 USDC, DAI, USDT and UST are Stablecoins.  What is a Stablecoin? Stablecoins are cryptocurrencies like bitcoin, but with the objective to keep a stable price to be used as a medium of exchange or to maintain value in times of uncertainty.  These digital assets can also take advantage of infrastructure built out for cryptocurrencies (e.g. peer to peer quick transfers without the need of intermediaries).  All you need is an internet connection and now people can buy, store and transfer these digital assets pegged to the US dollar; opening up possibilities for developers to create new financial innovations anybody can access.  Different Types of Stablecoins: Token Backed with cash and cash equivalent USDT (Tether) was the first and currently the largest stablecoin.  It is not issued and not regulated in the US.  There was a lot of controversy surrounding its treasury being fully backed by cash and cash equivalent assets.  Further, it is unclear ...