these are the chain wars POW vs POS vs DPOS vs "whatever else"
these are the "private" vs "public" / permissioned vs permissionless
these are the Bitcoin vs Bitcoin cash/ Ethereum vs EOS
technical jargon area 2/
blockchain for land
blockchain for X (you name it)
this is the "hype" layer.
When people say blockchain is hype - this is the layer they mean 4/
NOT owned by IBM or ORacle or a single company.
Then competition will move to governance layer 5 - layer 7 5/
But nothing happens until layer 1 - 5 is resolved IMO 6/