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Re: Ripple/Stellar Consensus System May Have Serious Issues as Stellar Forks

From: Melvin Carvalho <melvincarvalho@gmail.com>
Date: Thu, 23 Apr 2015 11:56:18 +0200
Message-ID: <CAKaEYhLbL0JvqR_+AhbWC7y=Z_U97Z36+UrH8xE0w9-f1tUwrg@mail.gmail.com>
To: Manu Sporny <msporny@digitalbazaar.com>
Cc: Web Payments <public-webpayments@w3.org>
On 7 December 2014 at 00:04, Manu Sporny <msporny@digitalbazaar.com> wrote:

> On 12/06/2014 05:20 PM, Melvin Carvalho wrote:
> > Interesting article here
> >
> >
> http://www.coinsetter.com/bitcoin-news/2014/12/06/ripplestellar-consensus-system-may-serious-issues-stellar-forks-1969
>
> This has some interesting info:
>
>
> https://www.stellar.org/blog/safety_liveness_and_fault_tolerance_consensus_choice/
>
> """
> This week, we discovered the first instance of a consensus failure. On
> Tuesday night, the nodes on the network began to disagree and caused a
> fork of the ledger. The majority of the network was on ledger chain A.
> At some point, the network decided to switch to ledger chain B. This
> caused the roll back of a few hours of transactions that had only been
> recorded on chain A. We were able to replay most of these rolled back
> transactions on chain B to minimize the impact. However, in cases where
> an account had already sent a transaction on chain B the replay wasn’t
> possible.
> """
>

Some more issues reported between the founders of ripple and stellar

http://insidebitcoins.com/news/not-so-decentralized-ripple-freezes-1m-in-user-funds/31862

Without knowing all the details, it would appear that in decentralized
systems, centralized artifacts can creep in.

It's also been particularly difficult to keep the web centralized.  I
wonder if decentralization through incentives (ie payments or block chain
technology) could be used to make the web more decentralized.


>
> I can't seem to find any documentation on the actual set of parameters
> that would cause a ledger fork to happen. Anyone have a link to a
> mathematical formula where it was proven/theorized that the event would
> happen?
>
> -- manu
>
> --
> Manu Sporny (skype: msporny, twitter: manusporny, G+: +Manu Sporny)
> Founder/CEO - Digital Bazaar, Inc.
> blog: The Marathonic Dawn of Web Payments
> http://manu.sporny.org/2014/dawn-of-web-payments/
>
>
Received on Thursday, 23 April 2015 09:56:48 UTC

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