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How Temple Digital Group built a non-custodial orderbook on Canton

Temple Digital Group partnered with IntellectEU to build the Daml smart contract layer behind its central limit order book. It settles without taking custody of customer assets and went live on Canton MainNet in January.

September 8, 2026

Outcomes at a glance
#1
app on Canton by transaction volume (Sep 2026)
Most
Liquid venue to trade Canton Assets
11 weeks
kick-off to Canton MainNet
3 products
on one settlement architecture
The company

Temple Digital Group, builder of the first central limit orderbook on the Canton Network, partnered with IntellectEU and CatalyX for assistance with Daml architecture The orderbook settles atomically and never takes custody of client assets.

The challenge

Temple Digital Group is building a tokenized trading ecosystem on the Canton Network. The harder constraint was architectural. A non-custodial orderbook locks collateral it does not control, and the first version of Canton's Token Standard allows asset owners to withdraw allocations unilaterally. That demanded new contract patterns.

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How CatalyX and IntellectEU power it
01
Assisted with the design and development of the Daml smart contract layer for a central limit order book, with allocation-based locking and cryptographic authorization proofs, so users keep ownership through the whole trade
02
03
04
05
06
The outcome

The order book went live on Canton MainNet in eleven weeks. Temple is today the top application on Canton Network by transaction volume and is responsible for over 40% of Canton’s daily burn and most synchronizer daily updates. 

Temple is the most liquid venue on Canton and the network's top app by burn. Settlement had to be right from the first trade — IntellectEU got us there.
Evan Varsamis
CEO at Temple Digital Group
Products & services used
IntellectEU
IntellectEU
Delivery partner
Application development
Daml advisory
Custom development
Talk to a Canton expert
Talk to us about getting to production on Canton, whether that means running the infrastructure or building the application. Our experts will get back to you within 24 hours.

By entering your email address you permit us to store and use your email for the purposes of marketing and communication with you.

All personal data is processed according to the IntellectEU Privacy Policy. You can withdraw your permission and require removal of your personal data any time by contacting us via email privacy@intellecteu.com or by pressing link Unsubscribe in any email received from us.

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