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Transaction flow

BPX Bridge

Each bridge transaction proceeds according to the following scheme: The user initiates a source asset transfer to the bridge contract running on the source blockchain. If the source asset is a native blockchain token, the user transacts to the bridge cont...

Relayer selection algorithm

BPX Bridge

BPX Bridge associates each transaction and signature to a so-called epoch  - 20-minute period of time. When the epoch changes, for the same transaction, the set of selected validators will be completely different. So if a transaction cannot be completed in a g...

Relayer software

BPX Bridge

The official JavaScript (node.js) implementation of the relayer software is available here:https://github.com/bpx-chain/bridge-relayer The software works on all popular operating systems. The only requirements are Node.js and npm installed. Installation git...

Becoming a relayer

BPX Bridge

Anyone can become a BPX Bridge relayer and validate transactions passing through the bridge. For helping maintain the bridge secure, relayers are paid in each blockchain native currencies. To become a relayer, the following conditions must be met: You must...

How to set up private RPC server on Debian / Ubuntu

Tutorials Advanced usage

Set up and sync your BPX Chain full node following this guide. When creating the execution client systemd service, add some new parameters to the geth command line: ExecStart=bpx-geth --syncmode snap --http --http.api web3,eth,net --http.corsdomain "*" ...