hashes that were created from private data in previous transactions. Collection-level endorsement policies Private data collections can now optionally be defined with an endorsement policy that overrides Introduction Hyperledger Fabric Model Blockchain network Identity Membership Service Provider (MSP) Policies Peers Ledger The Ordering Service Smart Contracts and Chaincode Fabric chaincode lifecycle Private ordering service to peers on a channel Peers validate transactions against endorsement policies and enforce the policies Prior to appending a block, a versioning check is performed to ensure that states for

hashes that were created from private data in previous transactions. Collection-level endorsement policies Private data collections can now optionally be defined with an endorsement policy that overrides Introduction Hyperledger Fabric Model Blockchain network Identity Membership Service Provider (MSP) Policies Peers Ledger The Ordering Service Smart Contracts and Chaincode Fabric chaincode lifecycle Private ordering service to peers on a channel Peers validate transactions against endorsement policies and enforce the policies Prior to appending a block, a versioning check is performed to ensure that states for

hashes that were created from private data in previous transactions. Collection-level endorsement policies Private data collections can now optionally be defined with an endorsement policy that overrides Introduction Hyperledger Fabric Model Blockchain network Identity Membership Service Provider (MSP) Policies Peers Ledger The Ordering Service Smart Contracts and Chaincode Fabric chaincode lifecycle Private ordering service to peers on a channel Peers validate transactions against endorsement policies and enforce the policies Prior to appending a block, a versioning check is performed to ensure that states for

Fabric v2.x hyperledger-fabricdocs Documentation, Release master • Collection-level endorsement policies Private data collections can now optionally be defined with an endorse- ment policy that overrides ordering service to peers on a channel • Peers validate transactions against endorsement policies and enforce the policies • Prior to appending a block, a versioning check is performed to ensure that states transaction is validated and committed • A channel’s ledger contains a configuration block defining policies, access control lists, and other pertinent information • Channels contain Membership Service Provider

hashes that were created from private data in previous transactions. • Collection-level endorsement policies Private data collections can now optionally be defined with an endorse- ment policy that overrides ordering service to peers on a channel • Peers validate transactions against endorsement policies and enforce the policies • Prior to appending a block, a versioning check is performed to ensure that states transaction is validated and committed • A channel’s ledger contains a configuration block defining policies, access control lists, and other pertinent information • Channels contain Membership Service Provider

Fabric v2.x hyperledger-fabricdocs Documentation, Release master • Collection-level endorsement policies Private data collections can now optionally be defined with an endorse- ment policy that overrides ordering service to peers on a channel • Peers validate transactions against endorsement policies and enforce the policies • Prior to appending a block, a versioning check is performed to ensure that states transaction is validated and committed • A channel’s ledger contains a configuration block defining policies, access control lists, and other pertinent information • Channels contain Membership Service Provider

hashes that were created from private data in previous transactions. Collection-level endorsement policies Private data collections can now optionally be defined with an endorsement policy that overrides 1]. Key Concepts Introduction Hyperledger Fabric Model Blockchain network Identity Membership Policies Peers Smart Contracts and Chaincode Ledger The Ordering Service Private data Channel capabilities ordering service to peers on a channel Peers validate transactions against endorsement policies and enforce the policies Prior to appending a block, a versioning check is performed to ensure that states for

hashes that were created from private data in previous transactions. Collection-level endorsement policies Private data collections can now optionally be defined with an endorsement policy that overrides Introduction Hyperledger Fabric Model Blockchain network Identity Membership Service Provider (MSP) Policies Peers Ledger The Ordering Service Smart Contracts and Chaincode Fabric chaincode lifecycle Private ordering service to peers on a channel Peers validate transactions against endorsement policies and enforce the policies Prior to appending a block, a versioning check is performed to ensure that states for

hashes that were created from private data in previous transactions. Collection-level endorsement policies Private data collections can now optionally be defined with an endorsement policy that overrides Introduction Hyperledger Fabric Model Blockchain network Identity Membership Service Provider (MSP) Policies Peers Ledger The Ordering Service Smart Contracts and Chaincode Fabric chaincode lifecycle Private ordering service to peers on a channel Peers validate transactions against endorsement policies and enforce the policies Prior to appending a block, a versioning check is performed to ensure that states for

hashes that were created from private data in previous transactions. • Collection-level endorsement policies Private data collections can now optionally be defined with an endorse- ment policy that overrides ordering service to peers on a channel • Peers validate transactions against endorsement policies and enforce the policies • Prior to appending a block, a versioning check is performed to ensure that states transaction is validated and committed • A channel’s ledger contains a configuration block defining policies, access control lists, and other pertinent information • Channels contain Membership Service Provider