Secrets Management for Trading-Bot API Keys

Credentials grant authority to a service or account. The exact authority depends on the provider, key type and permissions; do not assume every key can withdraw funds or that every trading key is harmless because withdrawals are disabled. A secret-management design should identify what each credential permits and which systems can access it.

Keep real secrets out of source control

Commit a template with empty values and document the required variable names. Ignore the actual secret files before creating them, and verify the ignore rule applies. An ignore rule does not remove a file already tracked by Git, erase history or protect a value pasted into an issue, log or chat.

This illustrative ignore list covers local dotenv files and a dedicated secret directory. Adjust it to the repository's actual files; an example template must contain no real values. A private-key file outside these paths still needs appropriate protection.

.env
.env.*
!.env.example
secrets/

Dotenv files are plaintext configuration, not encrypted storage. File permissions, operating-system access, backups and synchronization affect exposure. Do not treat a locked screen or a private repository as a complete security boundary. Secret scanning and push protection are useful controls where available, but their supported patterns do not detect every possible secret.

Separate authority and environments

Keep demo and production credentials distinct, verify the destination and fail rather than falling back to a broader account. Public-data exploration should use public access where supported. A paper process does not automatically need a real trading key just because an example imports a venue adapter.

For a credential that is necessary, use the provider's supported least-privilege controls and an access identity appropriate to the process. Check actual scopes and restrictions rather than assuming trade-only permissions or IP allowlists exist for every venue. Give an owner responsibility for the credential and document its purpose without recording the value.

Control storage and runtime access

OWASP treats secret management as a lifecycle: provisioning, controlled access, auditing, rotation and revocation. An encrypted store needs protected decryption authority too. Runtime injection avoids committing secrets, but it does not prove secrets never enter memory, files, crash reports or logs.

Use an existing appropriate store rather than inventing a cryptographic format in application code. Limit who and what can read it. Avoid printing entire environment maps or unrestricted HTTP headers and responses. Allowlist diagnostic fields and sanitize errors before they enter shared logs or analytics.

Understand the Banger boundary accurately

Banger's public documentation states that public-beta paper mode needs no venue API keys. It also describes encrypted control-plane storage for future live credentials. The public API documentation includes an encrypted venue-credential endpoint. Therefore the old claim that Banger never holds credentials on a server was false.

Hosted and local processes have different trust boundaries. Do not assume a secret supplied to a hosted service remains only on your laptop or that it is never persisted. The existence of a credential endpoint is not a public trading entitlement or independent proof of every deployed encryption setting.

This article does not request credentials or enable live execution. Keep secrets out of strategy files, public articles and shared handoff notes. A public paper study should begin without expanding account authority merely to follow a tutorial.

Plan rotation and respond to exposure

Choose a rotation policy from the provider's capabilities, risk and operational dependencies. There is no single ninety-day rule that makes every credential safe. Verify replacement access and affected consumers under a controlled procedure, then confirm the old authority is actually revoked. Restarting a process alone does not revoke a stolen credential.

GitHub's remediation guidance emphasizes provider revocation; deleting a line or repository is insufficient. For an active exposed secret, prioritize containment and check affected services and evidence of unauthorized use. Coordinate required replacement and cleanup with its owner. Do not copy the secret into a remediation ticket or search output to document the incident.

Keep a concise ownership record

Record the provider, environment, owner, purpose, permitted consumers and tested revocation procedure in an appropriately restricted location. Keep the credential itself in its store. A risk envelope is separate from credential security: it cannot make leaked authority safe, and an admission threshold does not automatically flatten holdings or revoke account access.