Stellar Bell Upgrade Adds Muxed Contract Addresses and Quantum-Safe Signature Support

TLDR: CAP-84 lets one smart contract serve many customers through a new 64-bit ID address format starting with W. CAP-87 allows smart contracts to verify ML-DSA signatures, the post-quantum standard NIST finalized in 2024. CAP-88 moves ledger close times to a millisecond clock, setting up faster ledgers in future protocol changes. The testnet vote is [...]

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