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I've been working on a new general-purpose blockchain oracle system that's
fully end-to-end decentralized, with no trusted third party.

The design paper is available at:
https://gitlab.com/shintaku-group/paper/raw/master/shintaku.pdf

The main properties:
* End-to-end decentralized architecture.
* No trusted third parties with control over the system.
* Participants can be anonymous; the system is completely permissionless.
* Does not require peripheral constructs, such as reputation, or prediction
markets, to function.
* Users are not forced to actively participate at assigned times.
* Highly parametrizable for a variety of applications.
* Fully upgradable design through opt-in, non-coercive forks.

Shintaku: An End-to-End-Decentralized General-Purpose Blockchain Oracle System

Abstract. Blockchains supporting execution of complex programs are at present
limited to intrachain interactions, without involving a trusted third party. A
completely end-to-end-decentralized oracle system would allow such blockchains
to safely accept and process arbitrary information from the outside world in a
manner that does not require trust in or permission from any singular entity. An
oracle design is proposed that decides on the outcome of binary propositions by
employing a stake-based voting scheme. Voters are incentivized to vote honestly
by being rewarded for agreeing with a majority. The effects of degenerate
distributions in the truthness or falseness of input propositions are eliminated
through random matching. This oracle design is incorporated into an
end-to-end-decentralized, blockchain-agnostic architecture.

Source code for implementation at: https://gitlab.com/shintaku-group/shintaku

Deployed token contract at:
https://etherscan.io/address/0x785c3570623f3d61225659744a5eb2ea83bc1e9d

Ryuuji Kamiya
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