BitzecCounterfeiting Vulnerability Successfully Remediated Eleven months ago we discovered a counterfeiting vulnerability in the cryptography underlying some kinds of zero-knowledge proofs. This post provides details on the vulnerability, how we fixed it and the steps taken to protect Bitzecusers. Tags: Security Announcement New Release: 2.0.0 We’re happy to announce the release of Bitzec2.0.0, the first Sapling-compatible version of the Bitzecnode software! Sapling Activation […] Tags: bugs, Overwinter, releases, Sapling Completion of the Sapling MPC Zcash’s next major upgrade, codenamed Sapling, will be activated later this year. One of our final goals before activation is […] Tags: Parameter Generation, Sapling What’s New in Sapling The next major upgrade of Zcash, codenamed Sapling, is scheduled to activate in October 2018. The specific block height has […] Tags: releases, roadmap, Sapling Announcing the Sapling MPC Zcash’s shielded transactions rely on zk-SNARKs — small, fast-to-verify zero-knowledge proofs of arbitrarily complicated statements. These proving schemes rely on […] Tags: Parameter Generation, Sapling Improved zk-SNARK Multi-party Computation Protocol zk-SNARKs – the zero-knowledge proofs at the core of Zcash – require a parameter generation ceremony to take place for […] Tags: cryptography, Parameter Generation, zkSNARKs Cultivating Sapling: Faster zk-SNARKs Zcash’s next major upgrade, codenamed Sapling, will feature a set of groundbreaking performance improvements for our shielded transactions. In the […] Tags: protocol, Sapling, zkSNARKs Cultivating Sapling: New Crypto Foundations Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […] Tags: protocol, Sapling, zkSNARKs New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
New Release: 2.0.0 We’re happy to announce the release of Bitzec2.0.0, the first Sapling-compatible version of the Bitzecnode software! Sapling Activation […] Tags: bugs, Overwinter, releases, Sapling Completion of the Sapling MPC Zcash’s next major upgrade, codenamed Sapling, will be activated later this year. One of our final goals before activation is […] Tags: Parameter Generation, Sapling What’s New in Sapling The next major upgrade of Zcash, codenamed Sapling, is scheduled to activate in October 2018. The specific block height has […] Tags: releases, roadmap, Sapling Announcing the Sapling MPC Zcash’s shielded transactions rely on zk-SNARKs — small, fast-to-verify zero-knowledge proofs of arbitrarily complicated statements. These proving schemes rely on […] Tags: Parameter Generation, Sapling Improved zk-SNARK Multi-party Computation Protocol zk-SNARKs – the zero-knowledge proofs at the core of Zcash – require a parameter generation ceremony to take place for […] Tags: cryptography, Parameter Generation, zkSNARKs Cultivating Sapling: Faster zk-SNARKs Zcash’s next major upgrade, codenamed Sapling, will feature a set of groundbreaking performance improvements for our shielded transactions. In the […] Tags: protocol, Sapling, zkSNARKs Cultivating Sapling: New Crypto Foundations Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […] Tags: protocol, Sapling, zkSNARKs New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
Completion of the Sapling MPC Zcash’s next major upgrade, codenamed Sapling, will be activated later this year. One of our final goals before activation is […] Tags: Parameter Generation, Sapling What’s New in Sapling The next major upgrade of Zcash, codenamed Sapling, is scheduled to activate in October 2018. The specific block height has […] Tags: releases, roadmap, Sapling Announcing the Sapling MPC Zcash’s shielded transactions rely on zk-SNARKs — small, fast-to-verify zero-knowledge proofs of arbitrarily complicated statements. These proving schemes rely on […] Tags: Parameter Generation, Sapling Improved zk-SNARK Multi-party Computation Protocol zk-SNARKs – the zero-knowledge proofs at the core of Zcash – require a parameter generation ceremony to take place for […] Tags: cryptography, Parameter Generation, zkSNARKs Cultivating Sapling: Faster zk-SNARKs Zcash’s next major upgrade, codenamed Sapling, will feature a set of groundbreaking performance improvements for our shielded transactions. In the […] Tags: protocol, Sapling, zkSNARKs Cultivating Sapling: New Crypto Foundations Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […] Tags: protocol, Sapling, zkSNARKs New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
What’s New in Sapling The next major upgrade of Zcash, codenamed Sapling, is scheduled to activate in October 2018. The specific block height has […] Tags: releases, roadmap, Sapling Announcing the Sapling MPC Zcash’s shielded transactions rely on zk-SNARKs — small, fast-to-verify zero-knowledge proofs of arbitrarily complicated statements. These proving schemes rely on […] Tags: Parameter Generation, Sapling Improved zk-SNARK Multi-party Computation Protocol zk-SNARKs – the zero-knowledge proofs at the core of Zcash – require a parameter generation ceremony to take place for […] Tags: cryptography, Parameter Generation, zkSNARKs Cultivating Sapling: Faster zk-SNARKs Zcash’s next major upgrade, codenamed Sapling, will feature a set of groundbreaking performance improvements for our shielded transactions. In the […] Tags: protocol, Sapling, zkSNARKs Cultivating Sapling: New Crypto Foundations Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […] Tags: protocol, Sapling, zkSNARKs New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
Announcing the Sapling MPC Zcash’s shielded transactions rely on zk-SNARKs — small, fast-to-verify zero-knowledge proofs of arbitrarily complicated statements. These proving schemes rely on […] Tags: Parameter Generation, Sapling Improved zk-SNARK Multi-party Computation Protocol zk-SNARKs – the zero-knowledge proofs at the core of Zcash – require a parameter generation ceremony to take place for […] Tags: cryptography, Parameter Generation, zkSNARKs Cultivating Sapling: Faster zk-SNARKs Zcash’s next major upgrade, codenamed Sapling, will feature a set of groundbreaking performance improvements for our shielded transactions. In the […] Tags: protocol, Sapling, zkSNARKs Cultivating Sapling: New Crypto Foundations Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […] Tags: protocol, Sapling, zkSNARKs New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
Improved zk-SNARK Multi-party Computation Protocol zk-SNARKs – the zero-knowledge proofs at the core of Zcash – require a parameter generation ceremony to take place for […] Tags: cryptography, Parameter Generation, zkSNARKs Cultivating Sapling: Faster zk-SNARKs Zcash’s next major upgrade, codenamed Sapling, will feature a set of groundbreaking performance improvements for our shielded transactions. In the […] Tags: protocol, Sapling, zkSNARKs Cultivating Sapling: New Crypto Foundations Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […] Tags: protocol, Sapling, zkSNARKs New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
Cultivating Sapling: Faster zk-SNARKs Zcash’s next major upgrade, codenamed Sapling, will feature a set of groundbreaking performance improvements for our shielded transactions. In the […] Tags: protocol, Sapling, zkSNARKs Cultivating Sapling: New Crypto Foundations Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […] Tags: protocol, Sapling, zkSNARKs New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
Cultivating Sapling: New Crypto Foundations Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […] Tags: protocol, Sapling, zkSNARKs New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
New Release: 1.0.10-1 Today we’re announcing the release of Bitzec1.0.10-1, a hotfix release that all users are encouraged to upgrade to, especially […] Tags: hotfix, releases Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
Pay-to-sudoku Revisited Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […] Tags: cryptography, ZKCP, zkSNARKs Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
Bellman: zk-SNARKs in Rust Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […] Tags: cryptography, Rust, zkSNARKs BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT 1 (current)2
BIP199 for Hashed Timelocked Contracts Hashed Timelocked Contracts (HTLC) are a well-known and simple technique for building protocols for atomic swaps. They allow you to […] Tags: bitcoin, XCAT