cirBTC

cirBTC supply is 5,358 BTC — 1.7% of tokenized BTC, the 6th largest of 21 wrappers tracked. It is outstanding on 2 chains; Arc holds 88.7% of it. Over 90 days it rose by 5,318 BTC.2026-09-26

Data through 26 Sep 2026 · Every chart that carries cirBTC · Methodology

Supply: 5.4k BTC; Outstanding on 2 chains, net of bridge escrow where escrow is tracked.
Share of tokenized BTC: 1.7%; 6th largest of 21 wrappers tracked.
Change, 90 days: +5.3k BTC; Since 28 Jun 2026.
Posted as collateral: —; None recorded at Aave v3, Morpho Blue or Spark.

Supply by chain

Outstanding cirBTC on each covered chain, net of bridge escrow where escrow is tracked, and its change over 30, 90 and 360 days.

Outstanding cirBTC per chain, its share of the wrapper's supply, and its change over 30, 90 and 360 days.
Chain	Supply (BTC)	Share	30d (BTC)	90d (BTC)	360d (BTC)
Arc	4,754	88.7%	+4,754	+4,714	—
Ethereum	604	11.3%	+564	+604	—
Total	5,358	100.0%	+5,318	+5,318	—

Over time: Wrapped BTC supply by issuer. Every wrapper side by side: the supply table.

Posted as lending collateral

No cirBTC collateral is recorded at Aave v3, Morpho Blue or Spark.

Over time: Which wrapped BTC is posted as collateral.

Net minting by month

The token's mint and burn events, summed per whole month — the current month is left out until it closes. Minting is counted from events and supply from balances: two separate measurements.

Net cirBTC minted per month over the last 6 whole months.
Month	Net minted (BTC)
Mar 2026	0
Apr 2026	0
May 2026	0
Jun 2026	+40
Jul 2026	0
Aug 2026	0
Net, 6 months	+40

Over time: Net minting by issuer.