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Data Availability

Rollups are L2s that periodically post state commitments to Ethereum. These commitments are validated by either Validity Proofs or are accepted optimistically and can be challenged via Fraud Proof mechanism within a certain fraud proof window. Additionally L2 data is also posted to Ethereum, hence there are no additional trust assumptions introduced.

#
name
Proof system
DA Layer
DA Bridge
Risks
Type of data
1
Arbitrum One logo
Optimistic
BoLD
Transaction data
Compressed
2
Base Chain logo
Optimistic
OPFP
Transaction data
Compressed
3
OP Mainnet logo
Optimistic
OPFP
Transaction data
Compressed
4
ZKsync Era logo
Validity
Boojum
State diffs
Compressed
5
Linea logo
Validity
Linea
Transaction data
Compressed
6
Unichain logo
Optimistic
OPFP
Transaction data
Compressed
7
Starknet logo
Validity
Stone
State diffs
Compressed
8
Katana logo
Validity
SP1
Transaction data
9
Scroll logo
Validity
OpenVM
Transaction data
Compressed
10
Abstract logo
Validity
Boojum
State diffs
Compressed
11
BOB logo
Optimistic
OP Kailua
Transaction data
Compressed
12
Ink logo
Optimistic
OPFP
Transaction data
Compressed
13
ZKsync Lite logo
Validity
ZKsync Lite
State diffs
14
Paradex logo
Validity
Stone
State diffs
15
Loopring logo
Validity
Loopring
State diffs
16
Polygon zkEVM logo
Validity
zkProver
Transaction data
17
Kinto logo
Optimistic
Transaction data
Compressed
18
ZERO Network logo
Validity
Boojum
State diffs
Compressed
19
Zk.Money v1 (Aztec v1) logo
Validity
Aztec v1
State diffs
20
INTMAX logo
Validity
INTMAX
N/A
Balance proofs
21
Facet Bluebird logo
Optimistic
SP1
Transaction data
22
ZKBase logo
Validity
ZKsync Lite
State diffs
23
Phala logo
Validity
SP1
Transaction data
24
Cartesi PRT Honeypot logo
Optimistic
Dave
Transaction data
25
LaChain logo
Validity
Boojum
State diffs
Compressed
26
Space and Time logo
Validity
Boojum
State diffs
Compressed