Part of $BTC and $ETH issue is irretrievably lost and should not be taken into account when analyzing. Let's analyze how many ETH coins are definitely lost irretrievably.
As of now, 913,000 coins have been confirmed lost, totaling over $3 billion.
- 513.7K ETH lost due to a Parity multisig error; - 250K ETH - Rain Lohmus lost a private key after purchasing ETH at an ICO; - 85.4K ETH - bug contract errors; - 26.8K ETH were sent to 0xdead / burn addresses; - 36.4K ETH sent with typos to non-existent addresses.
Here we do not take into account potential loss of access to wallets, but only those coins that are definitely lost forever.
