Microtransactions have taken over the Bitcoin network: the share of small transfers has reached 80%.
The Bitcoin network is undergoing a fundamental shift in the structure of transaction activity. According to my on-chain data analysis, the share of transfers worth less than 0.01 BTC has soared to an unprecedented 80% of total daily transactions. For comparison, in 2023 this figure was only 44%.
The total number of transactions, both daily and quarterly, has come close to historical highs. However, behind this growth lies an alarming signal: the economic value of these operations is disproportionately small. We are witnessing a classic case of network "noise," where the volume of activity does not correlate with the actual transfer of value.
OP_RETURN and Tokens: The Main Drivers
The key catalyst for this trend has been the record use of the OP_RETURN code. The surge is directly linked to the avalanche-like growth in popularity of Bitcoin-based fungible tokens (Runes), as well as Ordinals inscriptions and various data recording services. These non-financial or semi-financial applications generate a huge number of small transactions, burdening the blockchain.
The consequences were not long in coming: the mempool of the first cryptocurrency's network has swollen to 128,000 unconfirmed transactions — the highest level since late February 2025. Notably, the congestion is concentrated in groups with low fees, indicating the dominance of spam transactions and protocol operations.
Risks for Users
The sustained growth of non-financial activity on the blockchain creates serious risks. Competition for block space is intensifying, which will inevitably lead to higher fees for economically significant transfers. In effect, users wishing to send real value will be forced to pay a premium to ensure their transaction does not get stuck in a queue behind thousands of micro-operations.
My expert assessment: We are witnessing a paradoxical situation where Bitcoin's "success" as a platform for tokens and data is beginning to undermine its primary function — being an efficient payment network. If this trend continues, we can expect either further fragmentation of the ecosystem with the emergence of L2 solutions, or an inevitable rise in fees that will price out small users. Investors should closely monitor mempool metrics — this is one of the key indicators of network health.