Bitcoin Dev Archive Topics

Sidechains, drivechains and other layers

Chains and systems that borrow Bitcoin's security without changing its rules: federated sidechains like Liquid, the drivechain proposals (BIPs 300 and 301), statechains, and the rollup and BitVM ideas of the 2020s.

74 threads and 668 messages, 22 Oct 2014 to 12 Oct 2026.

Read on LearnBitcoin

BIPs

BIP 300

Bitcoin Optech

The threads, in order

Listed by the date of each thread's first message.

2014 2 threads

22 Oct 2014
side-chains & 2-way pegging (Re: is there a way to do bitcoin-staging?) Adam Back
12 messages
6 Nov 2014
Nakapay - Proposal for payment method using client generated paycodes and federated paycode servers Michael McLees
1 message

2015 6 threads

1 May 2015
METAmarket - Trustless Federated Marketplaces Marc D. Wood
3 messages
20 May 2015
Scaling Bitcoin with Subchains Andrew
17 messages
19 Jun 2015
improving development model (Re: Concerns Regarding Threats by a Developer to Remove Commit Access from Other Developers Adam Back
10 messages
9 Aug 2015
Alternative chain support for payment protocol Ross Nicoll
13 messages
7 Oct 2015
extension-blocks/sidechains & fractional/coin-cap/demurrage (Re: Let's deploy BIP65 CHECKLOCKTIMEVERIFY!) Adam Back
2 messages
13 Oct 2015
Liquid Benjamin Cordes
5 messages

2016 5 threads

20 Apr 2016
Sidechains pre-BIP Discussion Paul Sztorc
1 message
14 Jun 2016
RFC for BIP: Derivation scheme for P2WPKH-nested-in-P2SH based accounts Daniel Weigl
7 messages
2 Oct 2016
Drivechain proposal using OP_COUNT_ACKS Sergio Demian Lerner
18 messages
11 Oct 2016
Could a sidechain protocol create an addressable "Internet of Blockchains" and facilitate scaling? John Hardy
2 messages
2 Nov 2016
Implementing Covenants with OP_CHECKSIGFROMSTACKVERIFY Russell O'Connor
8 messages

2017 14 threads

7 Feb 2017
Proof of Nodework (PoNW) - a method to trustlessly reward nodes for storing and verifying the blockchain John Hardy
5 messages
22 May 2017
Drivechain -- Request for Discussion Paul Sztorc
44 messages
19 Jun 2017
An alternative way to protect the network from 51% attacks threat Wang Chun
3 messages
28 Jun 2017
BIP: OP_BRIBVERIFY - the op code needed for Blind Merge Mined drivechains Chris Stewart
25 messages
10 Jul 2017
Updating the Scaling Roadmap Paul Sztorc
57 messages
28 Aug 2017
P2WPKH Scripts, P2PKH Addresses, and Uncompressed Public Keys Alex Nagy
6 messages
28 Aug 2017
"Compressed" headers stream Riccardo Casatta
8 messages
5 Sep 2017
Sidechain headers on mainchain (unification of drivechains and spv proofs) ZmnSCPxj
8 messages
23 Sep 2017
Sidechains: Mainstake ZmnSCPxj
3 messages
25 Sep 2017
idea post: bitcoin side chain implementation Patrick Sharp
6 messages
10 Oct 2017
Generalized sharding protocol for decentralized scaling without Miners owning our BTC Tao Effect
16 messages
15 Nov 2017
Con-peg sidechain model creighto
1 message
1 Dec 2017
Two Drivechain BIPs Paul Sztorc
16 messages
5 Dec 2017
Scalable Semi-Trustless Asset Transfer via Single-Use-Seals and Proof-of-Publication Peter Todd
3 messages

2018 1 thread

22 Jan 2018
Blockchain Voluntary Fork (Split) Proposal (Chaofan Li) Ilan Oh
8 messages

2019 5 threads

18 Jan 2019
Proof-of-Stake Bitcoin Sidechains Matt Bell
15 messages
4 Apr 2019
Smart Contracts Unchained ZmnSCPxj
13 messages
4 Jun 2019
Formalizing Blind Statechains as a minimalistic blind signing server Ruben Somsen
7 messages
19 Aug 2019
Storm: escrowed storage and messaging at L2/L3 Dr Maxim Orlovsky
8 messages
26 Dec 2019
Blind Merged Mining with covenants ( sighash_anyprevout / op_ctv ) Ruben Somsen
3 messages

2020 5 threads

12 Jan 2020
Coins: A trustless sidechain protocol Robin Linus
22 messages
25 Mar 2020
Statechain implementations Tom Trevethan
25 messages
12 Jun 2020
Blind Statechains Tom Trevethan
3 messages
13 Sep 2020
Statechain coinswap: assigning blame for failure in a two-stage transfer protocol. Tom Trevethan
9 messages
31 Dec 2020
Softchains: Sidechains as a Soft Fork via Proof-of-Work Fraud Proofs Ruben Somsen
5 messages

2021 4 threads

17 Jun 2021
Tuesday’s IRC workshop on L2 onchain support Michael Folkson
5 messages
29 Jun 2021
Last week's second IRC workshop on L2 onchain support and wrap up Michael Folkson
2 messages
2 Sep 2021
Drivechain: BIP 300 and 301 Prayank
6 messages
11 Oct 2021
On the regularity of soft forks Michael Folkson
13 messages

2022 13 threads

26 Jan 2022
TXHASH + CHECKSIGFROMSTACKVERIFY in lieu of CTV and ANYPREVOUT Russell O'Connor
58 messages
13 Feb 2022
Lightning and other layer 2 projects with multiple RBF policies Prayank
5 messages
24 Feb 2022
A Comparison Of LN and Drivechain Security In The Presence Of 51% Attackers ZmnSCPxj
5 messages
4 Mar 2022
One testnet to rule them all vjudeu
4 messages
8 Mar 2022
CTV Meeting #5 Agenda (Tuesday, March 7th, 12:00 PT) Jeremy Rubin
5 messages
16 May 2022
Improving chaumian ecash and sidechains with fidelity bond federations Chris Belcher
2 messages
19 May 2022
CTV BIP Meeting #9 Notes alicexbt
5 messages
4 Jun 2022
Using Merged Mining on a separate zero supply chain, instead of sidechains vjudeu
2 messages
17 Jul 2022
How to do Proof of Micro-Burn? Велеслав
7 messages
14 Sep 2022
Spookchains: Drivechain Analog with One-Time Trusted Setup & APO Jeremy Rubin
3 messages
16 Sep 2022
bitcoin-inquistion: evaluating soft forks on signet Anthony Towns
15 messages
11 Oct 2022
Validity Rollups on Bitcoin John Light
7 messages
1 Nov 2022
Bitcoin Contracting Primitives WG 1st Meeting, Tuesday 15 Nov. 18:00 UTC Antoine Riard
5 messages

2023 8 threads

10 Apr 2023
RGB protocol announcement Dr Maxim Orlovsky
7 messages
22 May 2023
Ark: An Alternative Privacy-preserving Second Layer Solution Burak Keceli
18 messages
11 Jun 2023
Ark: An Alternative Privacy-preserving Second Layer Solution moonsettler
1 message
22 Jun 2023
Some Day Peg: A crazy two-way peg bridging BTC to other chains Raw Robin Linus
1 message
16 Aug 2023
Sentinel Chains: A Novel Two-Way Peg Ryan Breen
8 messages
9 Sep 2023
Actuarial System To Reduce Interactivity In N-of-N (N > 2) Multiparticipant Offchain Mechanisms ZmnSCPxj
8 messages
10 Sep 2023
Trustless 2-way-peg without softfork Dr Maxim Orlovsky
4 messages
9 Oct 2023
BitVM: Compute Anything on Bitcoin Robin Linus
6 messages

2024 3 threads

13 May 2024
BitVMX: A Virtual CPU to optimistically execute arbitrary programs on Bitcoin Sergio Demian Lerner
1 message
24 Nov 2024
Slashing covenants Ethan Heilman
3 messages
27 Nov 2024
Un-FE’d Covenants: Char-ting a new path to Emulated Covenants via BitVM Integrity Checks Jeremy Rubin
3 messages

2025 4 threads

5 Mar 2025
ESSPI: ECDSA/Schnorr Signed Program Input for BitVMX Sergio Demian Lerner
1 message
4 May 2025
ColliderVM protocol for computation and L2 bridges Victor Kolobov
1 message
23 Jun 2025
What's a good stopping point? Making the case for the capabilities enabled by CTV+CSFS Antoine Poinsot
14 messages
6 Dec 2025
Reducing RAM requirements with dynamic dust uuowwpevskfcordh
5 messages

2026 4 threads

22 Jan 2026
Falcon Post-Quantum Signature Scheme Proposal Giulio Golinelli
13 messages
30 Sep 2026
Flame: confidential transactions with Bitcoin proof-of-burn consensus Oleg Andreev OOO
3 messages
6 Oct 2026
RE BIP 300: 26% censoring attack Ori Newman
1 message
11 Oct 2026
Lichen: L2s In CHannels ENforced on bitcoin waxwing/ AdamISZ
3 messages