Build the first unsigned transaction for a 41–100 component linked bundle.
Begins a recoverable staged assembly. Submit and confirm this transaction before appending members. No proposal in the staged prefix can be processed until the exact count and ordered roster are finalized.
Authorizations
HttpOnly session cookie set by POST /v1/auth/session. Mutating requests must also send the CSRF token (returned by that call) in the x-csrf-token header.
Body
Alephium address (base58, optional :N group suffix).
30 - 80^[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz:]+$Signer's public key (33-byte secp256k1 hex). Required for the node to build the witness layout.
^(0x)?[0-9a-fA-F]+$x <= 900719925474099141 <= x <= 100Signature scheme the signer address was derived from. gl-secp256k1 is the groupless key the Aura app uses (3... addresses); default is grouped secp256k1 for standard Alephium wallets and tooling (1... addresses). These are the only two types a session can be established with, so no other value can reach a build-tx route.
default, gl-secp256k1 Response
Default Response
Hex-encoded unsigned transaction. Sign and submit via your wallet.
-9007199254740991 <= x <= 9007199254740991-9007199254740991 <= x <= 9007199254740991-9007199254740991 <= x <= 9007199254740991
