Hiring D programmers (with cryptography and blockchain knowledge are preferred)

[Vitor Rozsas via Digitalmars-d-announce]

On Friday, 14 July 2017 at 04:47:24 UTC, rikki cattermole wrote:
> On 14/07/2017 1:41 AM, Vitor Rozsas wrote:
>> Hmmm... But how would a criminal post be deleted or removed?
>> Even if decentralized, govs could forbid the use of it 
>> (specially having a server of this social media), considering 
>> that it's database could contain child pornography 
>> (undeletable child pornography - really bad).
>> 
>> But it doesn't matter, I have other projects to invest my 
>> money on D.
>> 
>> I will post the links soon.
>
> Anyway its just silly to go for removal of servers. The 
> overhead is far too great. Our compression algo's can't back it 
> up. You'll be talking terabytes just to store a few 'websites' 
> soon enough.
>
> Nah, anyway decentralized != anonymous. Even in Tor there are 
> servers.
>
> What we need isn't a decentralized http replacement. What we 
> need is a decentralized dns with some form of filters available.

What about a decentralized cryptocurrency (like bitcoin) but 
instead of the blockchain having transactions recorded on it, it 
could have something lighter... like a list of coins IDs 
("cents", actually) and their owners, like:

1 = Vitor
2 = Vitor
3 = Vitor
4 = Leonard
[...]

(cents 1, 2, 3 belong to Vitor and cent 4 belong to Leonard, and 
so on...). A "map" (C++) or associative array (D) with the ID of 
the cent (key) and owner (value) or opposite, if necessary.

Is this even possible? Please consider that I don't know a lot 
about cryptography. And I have no idea of whether this is 
feasible with D or with any language at all, so if I'm speaking 
nonsensic things, just tell me.
But I think it would be lighter than store all transactions from 
the very first one.
I just don't know if this is doable; cryptocurrencies have a lot 
of security measures to avoid transferring money that doesn't 
exist, money that isn't yours, and so on, to confirm the 
transaction...

Wouldn't it be easier? All the cents should have a first owner 
though... one that would sell to resellers, or just give away to 
random people.

That way, the blockchain would have a fixed size, forever. 
Lighter than all that expensive mining stuff (that in my country 
is impossible - lack of decent machines, pricey electric energy), 
and the worst part: downloading 100+ GigaBytes because blockchain 
stores transactions, this database gets bigger and bigger...
List of cents is limited; it's fixed. But instead of 18 Million 
that bitcoin uses, I was thinking of trillions (so the value of 
the currency is more aligned to fiat currencies that we already 
know and are used to).

So... tell me. Is this possible? *Is this safe*? Is anybody going 
to be stolen if blockchain stores a map of cent id + owner 
instead of a bunch of transactions?

I know that it would be lighter for CPUs of users and servers as 
well, and to the disk, that's for sure.

Waiting for replies.