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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


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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