A Glance of Persistence Chain(s)

One of the Persistence technology stack is Persistence chain(s). Persistence chain(s) is a matrix of sovereign business distinct ‘App-chains’ with security supplied by the Persistence main-chain and its set of validators

As stated in the previous article, Persistence is a network of sovereign chains that host Open Finance dApps (Exchanges & Marketplaces), which allow entities with excess capital (lenders) to connect with entities that need capital (borrowers) (borrowers).

The chains' sovereign nature permits for customizations in terms of speed vs. security, as well as privacy concerns, which is subject to the business requirements.

Furthermore, the design allows dApps to function in isolation, unaffected by higher transaction loads encountered by other dApps on the chain.

This is critical in ensuring a seamless end user experience and meeting institutional users' expectations.

Persistence App-chains

Security
Chain security can be either independent or shared, depending on the speed, security, privacy, and economic limitations.

As a result, the consensus method can range from Proof-of-Authority (PoA) to delegated Proof-of-Authority (dPoA) or delegated Proof-of-Significance (dPoS).

Governance

Certain essential factors will be governed at the main-chain level via interchain communication, while others will be decided at the app-chain level (more details below).

Validator incentivization mechanism

App-chains, in most situations, will not include a native token (with monetary value or transferable on open markets) to ensure that the dApp end user is not burdened with additional complexity. As a result, validator (dis)incentivization occurs at the main-chain level.

Storage of Asset data (using NFTs)

NFTs, which are typically storage intensive, are kept in app-specific chains to avoid interfering with other chains' performance.

Persistence Main-chain

Permissionless chain using the Byzantine Fault Tolerant (BFT) Tendermint consensus engine based on delegated Proof-of-Stake (dPoS).

Byzantine fault tolerance refers to the capacity to accept computers malfunctioning in random ways, including turning malevolent (BFT).

Security

A dispensed collection of Validators and the native Persistence token, $XPRT, protect the Persistence main-chain. App-chains can be secured by the main chain via shared security. App-chains, on the other hand, can have their own security mechanism (depending on business needs).

Interoperability

Using the Interchain Communication Protocols1 (IBC and ICMP), the Persistence main-chain will be able to communicate with other chains.

Persistence Platform Governance

The Persistence Platform's main-chain serves as the primary location for governance (indicating to the Persistence main-chain and all of the app-chains in the Persistence ecosystem).

Validator incentivization mechanism

In the absence of monetary tokens in some app-chains, validators working at the app-chain level are (dis)incentivized at the main-chain level.

Asset ownership and trade

For all of the app-chains, the Persistence main-chain keeps track of asset ownership (ownership of NFTs) and allows asset ownership exchange.

Interchain Communication

The Interchain Communication Protocols connect the app-chains to the Persistence main-chain. Interchain communication provides three key purposes within the Persistence ecosystem:

1. Interchain dis(incentivization)
2. Interchain NFT transfer
3. Interchain (app-chain) governance

About Persistence

Persistence is an Interoperable Middleware that offers sovereign settings for the development and operation of Decentralized Institutional Finance Applications.

The Persistence design and technology stack were developed with the above issues in mind, and after numerous iterations of attempting to address them.

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