The halving will occur at block height 840,000 (a count of how many blocks have been hashed to the blockchain), and already people are predicting that will be the most valuable block to be mined to date. This is related to the point above: Ordinals works by assigning serial numbers to individual satoshis (or sats, the smallest denomination of BTC), which turns a fungible asset like bitcoin into something with provenance, identity and scarcity.