Bitcoin Provably Lost Supply Chart

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The total amount of BTC that is provably lost. Provably lost coins fall into one of the following categories:

Unclaimed miner rewards: The Bitcoin protocol states that the miner of a valid block can add a special transaction to claim a reward plus the transaction fees. Miners are not allowed to claim more than the specified reward, but they are allowed to claim less.
BTC sent to burn addresses: We identify a burn address as an address whose private key has provably no owner. We consider addresses which are virtually impossible to be randomly generated, for example: '1Anything11111111111111111125qfuN'
BTC sent to 'OPRETURN': OPRETURN is a script opcode that has been primarily used as a means of storing data on the blockchain. Coins sent to OP_RETURN opcode are provably unspendable as they do not get added to the UTXO set.

The total amount of BTC that is provably lost. Provably lost coins fall into one of the following categories:

Unclaimed miner rewards: The Bitcoin protocol states that the miner of a valid block can add a special transaction to claim a reward plus the transaction fees. Miners are not allowed to claim more than the specified reward, but they are allowed to claim less.
BTC sent to burn addresses: We identify a burn address as an address whose private key has provably no owner. We consider addresses which are virtually impossible to be randomly generated, for example: '1Anything11111111111111111125qfuN'
BTC sent to 'OPRETURN': OPRETURN is a script opcode that has been primarily used as a means of storing data on the blockchain. Coins sent to OP_RETURN opcode are provably unspendable as they do not get added to the UTXO set.