According to BTCEden, the current mainstream Bitcoin Layer2 network has on-chain assets of $2.6 billion, of which BTC accounts for $2.1 billion and other assets account for $540 million, Wu reported.

Merlin Chain has on-chain assets of $1.32 billion, of which BTC accounts for 91.6%, but its security relies on a single sorter and proof of reserves, which has not yet been fully verified.

Bitlayer’s on-chain assets amount to $503 million, of which BTC accounts for 33%, but the proof of reserves has not yet been fully verified and the validator network is permission-based.

The assets on the Lightning Network chain are all composed of BTC, totaling 349 million US dollars.

Rootstock’s on-chain assets amount to US$282 million, of which BTC accounts for 68.95%.

BOB’s on-chain assets amount to 115 million US dollars, of which BTC accounts for 66.41%, but BOB is an Ethereum Rollup that relies on a third bridge and has no official bridge on the Bitcoin chain.