This topic covers emerging approaches that combine confidential computing, attested execution environments, and credential‑managed connectors to enable privacy‑first cross‑chain transaction execution — exemplified by initiatives such as NEAR Confidential Intents and competing platforms. The goal is to let applications and users express “intents” (atomic, composable actions across chains) while keeping secrets, keys and sensitive state protected inside Trusted Execution Environments (TEEs) or equivalent enclaves. Relevance and timing: as cross‑chain DeFi, enterprise blockchain pilots, and AI‑driven automation increase, there is growing demand (and regulatory pressure) for mechanisms that prevent leakage of credentials and business logic while still allowing programmatic orchestration across heterogeneous ledgers. Attested MCP (Model Context Protocol) servers and vendor key‑management integrations provide practical building blocks for that stack. Key tools and roles: an Attestable MCP implements an MCP server inside a TEE (Gramine + Intel SGX) and performs remote attestation/RA‑TLS so clients can verify execution integrity. Thales CipherTrust Manager MCP and Thales CDSP CRDP MCP servers integrate hardware‑backed key management and data protection APIs for secure cryptographic operations and selective data reveal. Keycloak MCP enables programmatic credential and identity administration, while OPNSense MCP exposes network‑control surfaces (firewall rules, diagnostics) under the same credentialed, auditable interface. Together these components let AI agents and orchestrators perform sensitive actions without direct access to raw keys or secrets. Practical tradeoffs: TEEs and attestation reduce attack surface but add operational complexity and vendor dependencies; alternatives such as MPC, threshold signing and zero‑knowledge proofs remain complementary. For credential management use cases, pairing attested MCP connectors with enterprise KMS and identity systems is a pragmatic path toward privacy‑first cross‑chain execution.