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SIX digital assets ledgerUpdated 14 Oct 2026

Distributed ledger of SIX Digital Exchange (SDX), still widely called the SDX ledger, a FINMA-licensed central securities depository for digital securities, live since November 2021. In 2025 SIX folded SDX into its securities services and retired the SDX brand, running digital-asset settlement and custody from its post-trade division.

Profile sources[1][2][3][4]

10Deployments
32Organisations
Pilot 1Live (limited) 8Inactive 1

Deployments on SIX digital assets ledger

Each row is a sourced claim on that deployment's record that it runs on SIX digital assets ledger. Balances are shown where a source gives one for this network.

DeploymentStatusAssetsHeld here Evidence Last reviewed
City of Lugano digital bonds on SDXLive (limited)
Debt security
~CHF 520m
8 Nov 2026
C Ledger Insights, 21 May 2025[5]Reviewed 14d ago
Africa Finance Corporation digital CHF bond on SDXLive (limited)
Debt security
~CHF 350m
8 Nov 2026
C The Fintech Times, 29 Sep 2026[6]Reviewed 14d ago
World Bank digital CHF bond on SDXLive (limited)
Debt security
CHF 200m[7]
Jun 2024
B World Bank, 15 May 2024[7]Reviewed 25d ago
Canton of Basel-Stadt digital bond on SDXLive (limited)
Debt security
~CHF 105m
8 Nov 2026
A Canton of Basel-Stadt, Finance Department, 15 Nov 2023[8]Reviewed 14d ago
Canton of Zurich digital bond on SDXLive (limited)
Debt security
~CHF 100m
8 Nov 2026
B Zürcher Kantonalbank, 1 Dec 2023[9]Reviewed 14d ago
City of St. Gallen digital bond on SDXLive (limited)
Debt security
~CHF 100m
8 Nov 2026
C Markets Media, 13 Mar 2024[10]Reviewed 14d ago
SIX Group dual-part digital bond on SDXLive (limited)
Debt security
~CHF 100m
8 Nov 2026
B SIX (release via Mondo Visione), 18 Nov 2021[11]Reviewed 14d ago
SIX Digital Exchange tokenised shares in a regulated CSDLive (limited)
Equity
—C Markets Media, Jul 2022[12]Reviewed today
Swiss National Bank Project Helvetia wholesale CBDC pilot on SDXPilot
Wholesale central-bank money
—A Swiss National Bank[13]Reviewed 24d ago
UBS digital bond on SDXInactive
Debt security
—C The Block, 3 Nov 2022[14]Reviewed 22d ago

Sources

  1. [1]FINMA issues first-ever approval for a stock exchange and a central securities depository for the trading of tokens — FINMA, 10 Sep 2021. Accessed 11 Oct 2026.A
  2. [2]Digital Assets — SIX Group. Accessed 14 Oct 2026. sdx.com redirects here. Digital asset capabilities integrated into the core CSD; live since Q4 2021; over CHF 2bn issued through SDX..B
  3. [3]Swiss Exchange Group to Bring Digital Assets Unit SDX In-House — Bloomberg Government, 6 Oct 2025. Accessed 14 Oct 2026. SIX retires the SDX brand; trading moves to the main exchange, settlement and custody to the post-trade division..C
  4. [4]SDX geht mit erster Digitalanleihe «live» — finews.ch, 19 Nov 2021. Accessed 14 Oct 2026. In German; our summary is translated. SDX went live on 19 Nov 2021 with SIX Group's own CHF 150m bond, CHF 100m of it digital..C
  5. [5]Lugano, SIX issue digital bonds on SDX — Ledger Insights, 21 May 2025. Accessed 11 Oct 2026.C
  6. [6]AFC Raises CHF 350m Digital Bond in Swiss Franc Market First — The Fintech Times, 29 Sep 2026. Accessed 15 Oct 2026.C
  7. [7]World Bank Partners with Swiss National Bank and SIX Digital Exchange to Advance Digitalization in Capital Markets — World Bank, 15 May 2024. Accessed 11 Oct 2026.B
  8. [8]Basel-Stadt lanciert erste digitale Anleihe — Canton of Basel-Stadt, Finance Department, 15 Nov 2023. Accessed 11 Oct 2026.A
  9. [9]https://www.zkb.ch/de/ueber-uns/medien/medienmitteilungen/2023/wcbdc-transaktion.html — Zürcher Kantonalbank, 1 Dec 2023. Accessed 11 Oct 2026.B
  10. [10]Swiss Digital Bonds Settled with Wholesale CBDC — Markets Media, 13 Mar 2024. Accessed 11 Oct 2026.C
  11. [11]SIX Launches Its SIX Digital Exchange By Successfully Issuing The World’s First Digital Bond In A Fully Regulated Environment — SIX (release via Mondo Visione), 18 Nov 2021. Accessed 18 Oct 2026. Full text of the SIX media release..B
  12. [12]SDX Completes First Tokenization of Equities in Fully Regulated CSD — Markets Media, Jul 2022. Accessed 11 Oct 2026.C
  13. [13]Project Helvetia — Swiss National Bank. Accessed 11 Oct 2026.A
  14. [14]UBS AG unveils publicly traded digital bond that settles on blockchain — The Block, 3 Nov 2022. Accessed 11 Oct 2026.C

six-group.com/en/products-services/securities-services/digital-assets.html