Dans le cas du multigateway tu dépends quand même de quelqu'un (à l'époque c'était 3 serveurs des devs du projets, je ne sais pas si ça a évolué depuis...)
CfB propose une autre solution que le MGW de James :
https://nxtforum.org/general-discussion/not-a-holy-grail-of-cryptocurrencies-but-still-a-very-usable-artifact/?allX contains a description of a solution to a problem.
X may be revealed later.
SHA256(
X) = 3b82e2b2e4b2a17dd622803063ef8e838149d4fd4924588bad80d49d20bbd747.
Edit:
X =
Hereby to confirm that a solution to the problem of decentralized exchange of proof-of-work cryptocurrencies by using Nxt blockchain came to my mind on the 14th of October 2014. The solution is based on locking NXT of both the parties and releasing them after proof-of-work is validated. The validation includes analysis of blocks containing the corresponding transactions of the PoW currencies and their neighbor blocks.
Good news. Here is description of how my proposal works -
http://www.blockstream.com/sidechains.pdf. You don't need me for consulting anymore.
PS: It's funny how many coincidences in real life. If the authors of Sidechains didn't publish their work before then I could sue them for using my idea because my hash (3b82e2b2e4b2a17dd622803063ef8e838149d4fd4924588bad80d49d20bbd747) was published earlier than their whitepaper.
