Bitcoin Supply Cap Debate Reignites as Adam Back Warns Against Tail Emission Trap

According to Adam Back on August 15, Bitcoin's 21 million supply cap debate resurfaced this week after Peter Todd's case for permanent block rewards was revisited at the Bitcoin++ conference. Back characterizes the proposal as a false narrative designed to rally support for a change he views as dangerous.

Todd argues that after new Bitcoin issuance ends around 2140, transaction fees alone may prove too volatile to secure the network. A small, permanent reward, he claims, would stabilize miner incentives and prevent chain reorganization. Back draws a parallel to the failed BIP-110 soft fork, which died with 2.53% miner support in August, suggesting similar campaigns use fabricated crises to drive adoption of risky changes. Unlike BIP-110, raising Bitcoin's supply cap would require a hard fork, making consensus far harder to achieve.