The pipeline, and what we build on top of it.

package main

import (
  "context"
  "os"

  "github.com/bhtn-technologies/zerda/sdk"
)

func main() {
  // Licensed runtime — validates against the BHTN portal at startup
  // with periodic license beacons. Offline JWT mode supported.
  client, err := sdk.FromEnv(context.Background())
  if err != nil {
    panic(err)
  }
  defer client.Close()

  // Open a payload, send it through the pipeline.
  // Under the hood: per-transfer ephemeral key, erasure-coded shards,
  // four-plane fan-out (bulk + critical-redundancy + metadata + key-custody),
  // and byte-wiped destruction on reassembly.
  file, _ := os.Open("settlement-2026-04-19.csv")
  defer file.Close()

  handle, err := client.Send(context.Background(), sdk.Transfer{
    Recipient: "acct:receiver-bank.pinned-fingerprint",
    Payload:   file,
    TTL:       sdk.TTLShort, // fail-closed, no override
    Policy:    sdk.PolicyAuditableDelivery,
  })
  if err != nil {
    panic(err)
  }

  // handle.ID is the audit event identifier.
  // The payload never landed at rest anywhere between you and the recipient.
  os.Stdout.WriteString("transfer " + handle.ID + " delivered\n")
}