日本語 
ELSOUL LABO BV and Validators DAO are pleased to announce the release of v0.9.911 of SLV, the open-source Solana validator operation platform, which now supports the launch and operation of the Block Assembly Marketplace (BAM) client developed by Jito Labs.
This release makes it possible to reproducibly install and switch BAM clients. By using SLV, you can start BAM client operations with a single command, without relying on individual construction procedures or specific operational know-how.
The Epics DAO validator has already been migrated to BAM client operation using SLV and is still in operation.
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BAM’s goal: Verifiable trust established on-chain
The Block Assembly Marketplace (BAM) developed by Jito Labs is an effort to implement a system that allows users to later explain and verify the rules by which execution was carried out, based on the high-speed on-chain execution that Solana already provides.
Solana has clear advantages over other blockchains in terms of transaction throughput and latency. However, as the network matures and the number of users increases, the next issue that has emerged is not simply whether it can process transactions quickly, but whether it can explain the logic behind the processing.
In particular, institutional investors and other entities operating on a business-related basis manage client assets or entrusted assets rather than their own funds, and therefore are accountable to their internal risk management departments, external auditors, and regulators not only for the results of transactions but also for why those transactions were executed in that order and under those terms.
This is not an idealistic theory, but a requirement that has already been established as practice in traditional financial markets. Explanations of best execution and the submission of transaction cost analyses are typical examples. Information such as which exchange was used and where the execution took place is not sufficient; the execution logic itself must be explainable.
In the current on-chain execution environment, it is not easy for a third party to verify the logic by which transactions are arranged and why they are in that order. Regardless of whether there is malicious intent or not, this inexplicability itself is a reason why institutional investors are hesitant to use it.
BAM attempts to address this issue by making the order of transactions verifiable using cryptographic technology. While it is possible to prove the logic by which the order was determined, the design prevents BAM node operators from understanding the contents of transactions or manipulating the order arbitrarily.
BAM aims to move away from a model that trusts specific operators and instead verifies the processing logic itself, which brings on-chain execution closer to an execution environment that is not only fast but also explainable, auditable, and submittable.
SOURCE: PRTimes
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