# Policy: search engines and AI retrieval/citation agents are welcome.
# AI training crawlers are not — the same policy bnbscan.com and ethscan.io declare.

# The Content-Signal belongs to this group: a robots.txt rule applies only to
# the group it sits in.
User-agent: *
Content-Signal: ai-train=no, search=yes, ai-input=yes
Allow: /

# AI training / bulk-corpus crawlers — apps/explorer/lib/bot-policy.ts TRAINING_BLOCKED,
# minus AhrefsBot, which the explorers block for load, not training (test/agent.test.ts):
User-agent: GPTBot
User-agent: ClaudeBot
User-agent: Claude-Web
User-agent: anthropic-ai
User-agent: CCBot
User-agent: Google-Extended
User-agent: Applebot-Extended
User-agent: Bytespider
User-agent: meta-externalagent
User-agent: meta-webindexer
User-agent: FacebookBot
User-agent: Amazonbot
User-agent: cohere-ai
User-agent: Diffbot
User-agent: ImagesiftBot
User-agent: omgilibot
User-agent: YouBot
Disallow: /

Sitemap: https://altscan.io/sitemap-index.xml