At the point of writing this the supply of ether is still "infinite". Every 15 seconds two new Ether are generated.
Currently we are at 107,682,753.47 Ether.
These are from:
Genesis (60M Crowdsale 12M Other): 72,009,990.50 Ether
Mining Block Rewards: 33,168,789.59 Ether
Mining Uncle Rewards: 2,503,973.38 Ether
The change to PoS got delayed a few times ...
There is nothing to worry just yet.
The casper protocol won't effect any smart contract much, it is just a new consensus protocol. I think the only thing that will effect is that they will use RANDAO which is a truly random function for blockchain.
For eWASM it is still in research state there isn't a complete product anywhere yet so ALL HAIL vyper and ...
Most likely most of the current functionality will work just fine. It would be strange if it wasn't (at least mostly) backwards compatible.
Here are a few notes about the changes for devs: https://twitter.com/VitalikButerin/status/1167510279736967168 - the only remarkable thing I see is the uncertainty about how selfdestruct will work. The other remarkable ...
It's not about anyone deciding whether 51% has been reached or not. It's about the fact that if you control more hashing power than the rest of the network you can start mining on your own side chain and eventually it will be the heaviest chain and all miners will switch to mine your chain.
It's a bit like rolling a dice: if persons A and B are rolling a ...