# Using Continuum Sequenced Txns.

Besides our flagship Fermi Trade platforms, other applications can be built on the FIFO ordered continuum transaction stream. Our recommended approach to doing so is outlined below.

<figure><img src="/files/pdYjOm9dzK70HJa4SqQ3" alt=""><figcaption></figcaption></figure>

Recommended flow:\
1\. Add a custom app header to all your transactions\
2\. After sequencing, use a centralised / elected leader as relayer, to bundle the transactions for onchain submission (with sequence numbers)\
3\. Append the transactions to an onchain queue, where transactions can only be popped off in order.\
4\. Any user can call "crank" to process the next N transactions in the queue.

{% hint style="info" %}
Transaction queing is limited by the throughput and transaction data limits of the underlying execution/state layer you choose. This is often the bottleneck - which is why we encourage building on the full continuum stack.&#x20;

Continuum Chain (Full Stack) will be opened up to permissionless building in the future - using sov-evm and sov-svm modules to run custom applications on the execution layer.
{% endhint %}


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