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Re: Researching to leverage Hashed-Timelock Agreements (HTLAs) paradigm for establishing atomicity between different DLT networks for asset swaps with full decentralization

From: Nathan Aw <nathan.mk.aw@gmail.com>
Date: Tue, 13 Nov 2018 08:01:36 +0800
Message-ID: <CA+p-ctbeLv-BMZPdr9DB8O9aqaZDGziG7Sn7XPLV81rEO=78Ug@mail.gmail.com>
To: Evan Schwartz <evan@ripple.com>
Cc: public-interledger@w3.org, ledger@ietf.org
Hi Evan, thanks!

This helps!

Nathan Aw
https://sg.linkedin.com/in/awnathan

https://datatracker.ietf.org/meeting/103/materials/slides-103-dinrg-decentralized-identity-01

https://www.hyperledger.org/news/speakersbureau

https://erc725alliance.org/

https://www.hyperledger.org/community/technical-ambassador

https://www.meetup.com/BlockChain-Dapps-Technology/events/254556114/

https://www.hyperledger.org/blog/2017/12/05/developer-showcase-series-nathan-aw-ntt-data

https://www.meetup.com/Hyperledger-HK/events/248011521/

https://blockchain.ieee.org/newsletter/editorial-board

On Tue, 13 Nov 2018, 03:18 Evan Schwartz <evan@ripple.com wrote:

> Hi Nathan,
>
> This isn't a case we've specifically been designing around but streaming
> payments may help address it. If each of those payments is being streamed
> in some smaller increment, it would help avoid the gridlock issue. If one
> of the accounts runs out while the stream is in process, the sender could
> just keep retrying and the money would keep flowing as soon as the incoming
> balance had been credited to the account.
>
> Settlement times and mechanisms are determined on a bilateral basis, so
> pairs of connectors could choose to forward any amount they want on credit.
>
> Hope that helps,
> Evan
>
> On Nov 10 2018, at 10:35 am, Nathan Aw <nathan.mk.aw@gmail.com> wrote:
>
>
> Hi Evan,
>
> Would like to quickly check with you on the questions below. Thanks!
>
> 1. Do you need that whole transaction to happen atomically or for the
> balances to just end up that way?
>     Nathan Aw: Probably the latter? Might be possible to have the
> different transactions to happen atomically?
>
> 2. Also, do you need every party to maintain their own view of the state
> of the balances, or is there a single central party that could track them?
>     Nathan Aw: Ideally no central party. the decentralized network should
> be and ideally be intelligent enough to identify these gridlocks and
> address them automatically,          perhaps with the help of some
> configuration?
>
> Are there any of such capabilities in the roadmap?
>
> Regards,
>
> Nathan Aw
>
> On Thu, Nov 8, 2018 at 11:31 PM Nathan Aw <nathan.mk.aw@gmail.com> wrote:
>
> Hi Evan,
>
> Have provided my response below. Thanks!
>
> 1. Do you need that whole transaction to happen atomically or for the
> balances to just end up that way?
>     Nathan Aw: Probably the latter? Might be possible to have the
> different transactions to happen atomically?
>
> 2. Also, do you need every party to maintain their own view of the state
> of the balances, or is there a single central party that could track them?
>     Nathan Aw: Ideally no central party. the decentralized network should
> be and ideally be intelligent enough to identify these gridlocks and
> address them automatically,          perhaps with the help of some
> configuration?
>
> Are there any of such capabilities in the roadmap?
>
> Thank you.
>
> Regards,
>
> Nathan Aw
> https://sg.linkedin.com/in/awnathan
>
> https://datatracker.ietf.org/meeting/103/materials/slides-103-dinrg-decentralized-identity-01
> https://www.hyperledger.org/news/speakersbureau
> https://erc725alliance.org/
> https://www.hyperledger.org/community/technical-ambassador
> https://www.meetup.com/BlockChain-Dapps-Technology/events/254556114/
>
> https://www.hyperledger.org/blog/2017/12/05/developer-showcase-series-nathan-aw-ntt-data
> https://www.meetup.com/Hyperledger-HK/events/248011521/
> https://blockchain.ieee.org/newsletter/editorial-board
>
>
>
> On Thu, Nov 8, 2018 at 2:58 AM Evan Schwartz <evan@ripple.com> wrote:
>
> Hi Nathan,
>
> Do you need that whole transaction to happen atomically or for the
> balances to just end up that way? Also, do you need every party to maintain
> their own view of the state of the balances, or is there a single central
> party that could track them?
>
> On Nov 7 2018, at 9:03 am, Nathan Aw <nathan.mk.aw@gmail.com> wrote:
>
>
> Hi Evan,
>
> I came up with a gridlock diagram/scenario to illustrate what I wish to
> hope to solve (or perhaps build) with interledger. Please refer to the
> gridlock diagram below. Since interledger is the routing layer/network, the
> gridlock mechanism is something that will be extremely relevant. This
> mechanism will be a game-changer -- any thoughts/inputs, please?
>
>
>
> Regards,
>
> Nathan Aw
> https://www.linkedin.com/in/awnathan/
>
> https://datatracker.ietf.org/meeting/103/materials/slides-103-dinrg-decentralized-identity-00
>
> On Sun, Oct 14, 2018 at 12:22 AM Evan Schwartz <evan@ripple.com> wrote:
>
> The same construction can be used no matter what the underlying assets
> are. They can be cryptocurrencies, fiat currencies, shares of stock or
> other divisible assets.
>
> If you want to use this method for a swap you can send a "payment" from
> one of your accounts to another.
>
> On Sat, Oct 13, 2018, 8:27 AM Nathan Aw <nathan.mk.aw@gmail.com> wrote:
>
> Hi all,
>
> Second try. Thank you.
>
> I am a blockchain engineer based out of Singapore working at a leading
> bank in ASEAN.
>
> I am looking to leverage the Hashed-Timelock Agreements (HTLAs) paradigm
> for establishing atomicity between different DLT networks for asset swaps
> to achieve cross border payments with partial to full decentralization in
> mind.
>
> With the goal in mind, I like to understand technically how can this
> paradigm be applied to achieve payment vs payment (pvp) with semi-trusted
> nodes such as clearinghouses, banks and individual players? Applying the
> same concept of a crypto swap between ETH and BTC, the same can be applied
> between SGD and HKD?
>
> Also, I hope to understand the models around how liquidity can be
> maintained between these nodes?
>
> Regards,
>
> Nathan Aw
> https://sg.linkedin.com/in/awnathan
>
> https://erc725alliance.org/
>
>
>
> On Sat, Oct 13, 2018 at 12:39 AM Nathan Aw <nathan.mk.aw@gmail.com> wrote:
>
> Hi all,
>
> I am a blockchain engineer based out of Singapore working at a leading
> bank in ASEAN.
>
> I am looking to leverage the Hashed-Timelock Agreements (HTLAs) paradigm
> for establishing atomicity between different DLT networks for asset swaps
> to achieve cross border payments with partial to full decentralization in
> mind.
>
> With the goal in mind, I like to understand technically how can this
> paradigm be applied to achieve payment vs payment (pvp) with semi-trusted
> nodes such as clearinghouses, banks and individual players? Applying the
> same concept of a crypto swap between ETH and BTC, the same can be applied
> between SGD and HKD?
>
> Also, I hope to understand the models around how liquidity can be
> maintained between these nodes?
>
> Thank you!
>
> Regards,
>
> Nathan Aw
> https://sg.linkedin.com/in/awnathan
> https://erc725alliance.org/
>
>
Received on Tuesday, 13 November 2018 00:02:11 UTC

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