I think of Substack as the Ethereum of newsletter platforms

And Beehiiv is Solana 

An established network that is low risk to join vs. a faster moving one that is more experimental 

Bullish on both

If Substack is Ethereum and Beehiiv is Solana, Paragraph is Base

cma.xyz. Founder /paragraph, previously at Google and Coinbase

/red designer /gang leader /neynar advocate

i've thought about this often:

if you're a decentralised co and want to centralise, it's relatively easy

but the opposite is pretty much impossible

beehiiv punching the air rn at their centralization