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Crypto

Bitcoin beyond 21 million? Adam Back warns of the risk

The 21 million bitcoin cap is back in the debate. Developer Peter Todd advocates for a permanent issuance to continue remunerating miners after 2140. Adam Back does not want it. The Blockstream boss sees in this argument a way to rally…

Cointribune

Publisher

Aug 16, 2026 at 1:45 PM UTC · 3 phút đọc

Bitcoin beyond 21 million? Adam Back warns of the risk
Image via Cointribune

Entities

bitcoin

Market Impact

BTC+6.22%$72,692

Last Updated

4 ngày trước

Đang dịch…
Summarize this article with:

The 21 million bitcoin cap is back in the debate. Developer Peter Todd advocates for a permanent issuance to continue remunerating miners after 2140. Adam Back does not want it. The Blockstream boss sees in this argument a way to rally users to a dangerous modification of Bitcoin rules. No change is currently being prepared.

In brief

  • Peter Todd defends a small permanent issuance of bitcoins after block rewards disappear.
  • Adam Back rejects the idea and warns against the arguments used to promote it.
  • Changing the 21 million cap would require a hard fork accepted by the market.

Bitcoin: Peter Todd wants to extend issuance

Bitcoin has just crossed the milestone of 20 million BTC mined. About one million coins remain to be produced before reaching the protocol’s set limit. This last million will take time.

Miners currently receive 3.125 BTC per block. This reward halves approximately every four years. About thirty halvings remain, and the last satoshis are expected to be produced around 2140. After that, no more new bitcoins.

Peter Todd has long wondered what will happen to miners when this reward disappears. They will then have to live solely on fees paid by users to record their transactions in blocks.

Market Context

Bitcoin

BTC

$72,658

+6.17% (24H)

Market Cap

$1.46T

24H Volume

$45.2B

24H High

$72,768

View Bitcoin Market Page

Article Intelligence

Key Entities

bitcoin

Topics

crypto

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