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Explorer providers  /  Arbiscan  /  testnet.arbiscan.io

testnet.arbiscan.io

Open ↗
2 chain listings served by this host. Operated by Arbiscan.

TLS + post-quantum posture

ProviderArbiscan, see every host →
Posture gradeA (85/100)
PQ classPost-quantum hybrid
TLS groupX25519MLKEM768
CipherTLS_AES_128_GCM_SHA256
ALPNh2
Cert subjectarbiscan.io
Cert issuerWE1
Handshake54 ms
Last probed2026-11-09T20:21:42.041931125Z

Chains served (2)

ChainChain IDURL
Arbitrum One42161https://arbiscan.ioView chain →
Arbitrum Rinkeby421611https://testnet.arbiscan.ioView chain →