move a paragraph to Proof of Deposit so there's better flow
@@ -115,12 +115,6 @@ proof is not received within a given timeout window, the signing group will
disband and the system will seize the bond's value, making it available to the
signing group members to reclaim.
-// TODO What is "sufficient"? Defined as a system property? Dynamic?
-
-=== Light Relays
-
-// TODO: crosslink to appendix SPV section
-
To prove deposit, the depositor constructs a transaction for the host chain
that provides proof that the transaction was accepted on the Bitcoin chain
and has had sufficient work built on top of the block that included the deposit
@@ -128,6 +122,12 @@ transaction. These proofs are verified by an on-chain simple payment
verification (SPV) system. A more complete discussion of cross-chain SPV
systems and their security properties is included in the appendix.
+// TODO What is "sufficient"? Defined as a system property? Dynamic?
+
+=== Light Relays
+
+// TODO: crosslink to appendix SPV section
+
Light relays are a new variant of on-chain SPV developed for tBTC. They seek to
take advantage of the compact and efficient stateless SPV proofs while relaying
enough information to provide each stateless proof with some recency guarantee.
