> For the complete documentation index, see [llms.txt](https://t-blocks.gitbook.io/t-blocks-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://t-blocks.gitbook.io/t-blocks-documentation/instrument-types/isin-coding-and-bloomberg-identifiers.md).

# ISIN Coding & Bloomberg Identifiers

Every instrument issued through T-Blocks Trio Fund is assigned an International Securities Identification Number (ISIN). This 12-character alphanumeric code is the global standard for identifying financial instruments and is required for settlement through Euroclear, Clearstream, and most institutional custody systems.

ISINs for T-Blocks instruments are registered through a recognised numbering agency. Once assigned, the ISIN enables the instrument to be:

* Held in standard custody accounts at any ISIN-compatible bank or custodian
* Settled through Euroclear or Clearstream
* Referenced in Bloomberg, Refinitiv, and other market data systems
* Included in institutional portfolio management and reporting systems
* Traded (where applicable) on regulated secondary markets or multilateral trading facilities

Where applicable, T-Blocks instruments may also carry Bloomberg identifiers (FIGI/BBGID), enabling integration with Bloomberg Terminal for institutional investors and research analysts.

The ISIN is the instrument's passport to the traditional financial system. Combined with the token representation on the digital rail, it enables the same instrument to exist simultaneously in both traditional and digital capital-market infrastructure.

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