[Freedombox-discuss] Decentralized backup: sia?

Melvin Carvalho melvincarvalho at gmail.com
Tue Sep 25 22:31:53 BST 2018

On Tue, 25 Sep 2018 at 22:49, Michael <info at fonfon.at> wrote:

> Hello,
> I had a look at various decentralized backup solutions recently, and sia
> (https://sia.tech) looks promising.
> It's based on the sia blockchain, storage contracts are smart contracts
> that are to be paid in siacoin*. The data itself is not stored in any
> blockchain.
> Hosters offer storage capacity with a certain uptime guarantee and get
> paid in siacoin if they fulfill the contract - and pay a collateral if
> they don't.
> Sia is integrated in some other products (e.g. Nextcloud, Minebox) and
> it's in the Debian repositories, so it's rather advanced: 4.5PB
> available with 207TB currently used - storage space is really cheap
> right now ($2/month for 1TB).
> There are some nice features like contract renewal or automatic file
> repair when hosters go offline.
> Downside / possible problems:
> FreedomBox users would have to buy siacoin to use it. Also being a
> hoster requires having siacoins first to provide some money as
> collateral for the smart contracts. Earning siacoin could then still be
> difficult because FreedomBoxes might not have a huge storage capacity or
> reliable uptime.
> And there could be security issues in the smart contracts, or value
> fluctuation of siacoin.
> There are many similar blockchain based projects but all of them are in
> earlier stages. One where you don't have to buy coins before offering
> storage space would be ideal.
> The main advantage over TAHOE-LAFS is that users wouldn't have to take
> care about creating and organizing a storage grid themselves, which I
> imagine to be quite hard for many users.
> What other / better solutions are there for decentralized backups?

filecoin, maidsafe, storj are in that space

i would prefer to use web servers, tho, and other freedomboxes in your

> Cheers,
> fonfon
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