ROAST je potpuno nova forma Multisig koju je kreirao Blockstream

  • A council secretary compiles and maintains a large enough list of supportive council members (signers) at any one moment, ensuring that there are always enough members to pass legislation: If at least seven council members truly support the bill and act honestly.
  • Even with 33 fraudulent signers attempting to thwart signing attempts (by providing erroneous responses or failing to respond at all), the 67 honest signers can provide a signature in a matter of seconds.
  • The secretary can be assured that seven members will appear on his list at some point in the future, and the signing procedure will not become stalled.

ROAST has been proposed as a signature standard that might be used in conjunction with and improve threshold signature techniques like FROST. A proposal for a new sort of multisignature standard dubbed Robust Asynchronous Schnorr Threshold Signatures has been published by the research team of Bitcoin (BTC)-focused blockchain software firm Blockstream (ROAST). It aims to eliminate transaction failures caused by absent or malicious signers and can operate at scale.

The 67 Honest Signers

The phrase multisig, or multisignature, refers to a transaction that requires two or more signatures to be approved before it can be completed. In cryptography, the standard is frequently used. The primary idea behind ROAST is to make transactions between the Bitcoin network and Blockstream’s sidechain Liquid more efficient, automated, secure, and private, according to a Wednesday blog post from Blockstream research.

ROAST has been proposed as a signature standard that might complement and improve threshold signature systems like Flexible Round-Optimized Schnorr Threshold Signatures (FROST): ROAST is a straightforward wrapper for threshold signature techniques such as FROST. It ensures that even in the presence of disruptive signers and when network connections have arbitrarily high latency, a quorum of honest signers, such as the Liquid functionaries, can always get a valid signature.

While FROST can be a fruitful way for approving BTC exchanges, the scientists brought up that its design of facilitators and underwriters is intended to cut short exchanges in the event of absent signers, making it secure but not ideal for automatic signature software. The researchers claim that ROAST can overcome this problem by ensuring that each transaction has enough credible signers to avoid any failures. Furthermore, it can be done at a considerably wider scale than Blockstream’s current 11-of-15 multisig standard.

Our exact presentation assessment uncovers that ROAST scales successfully to huge endorser gatherings, for example, a 67-of-100 plan with the organizer and underwriters on independent mainlands, as per the post. Even with 33 fraudulent signers attempting to thwart signing attempts (by providing erroneous responses or failing to respond at all), the 67 honest signers can provide a signature in a matter of seconds.

The team utilized the analogy of a democratic council in charge of Frostland’s legislation to explain how ROAST works in a simple way. Essentially, the claim is made that getting laws (transactions) signed off in Frostland can be difficult due to a variety of causes that can cause the majority of council members to become unavailable or absent at any particular time.

Quite Enough Number of Council Members Who Support You

To counterbalance this, a council secretary compiles and maintains a large enough list of supportive council members (signers) at any one moment, ensuring that there are always enough members to pass legislation: If at least seven council members truly support the bill and act honestly, he knows that they will sign their current assigned copy and be re-added to the secretary’s list at some point in the future.

As a result, the secretary can be assured that seven members will appear on his list at some point in the future, and the signing procedure will not become stalled. Cook is the consequence of an organization between Blockstream scientists Tim Ruffing and Elliott Jin, the University of Erlangen-Viktoria Nuremberg’s Ronge and Dominique Schröder, and the CISPA Helmholtz Center for Information Security’s Jonas Schneider-Bensch. In addition to the blog post, the researchers included a link to a 13-page research paper that goes over ROAST in greater depth.

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Source: https://www.thecoinrepublic.com/2022/05/25/roast-is-a-brand-new-form-of-multisig-created-by-blockstream/